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54264877440 = 273544363799
BaseRepresentation
bin110010100010011100…
…000101000110000000
312012001210221101121120
4302202130011012000
51342113302034230
640532352352240
73630506563524
oct624234050600
9165053841546
1054264877440
1121017121654
12a625245680
13516a512747
1428aad13d84
151628edc310
hexca2705180

54264877440 has 128 divisors (see below), whose sum is σ = 173362464000. Its totient is φ = 14437742592.

The previous prime is 54264877393. The next prime is 54264877441. The reversal of 54264877440 is 4477846245.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54264877441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818661 + ... + 882459.

It is an arithmetic number, because the mean of its divisors is an integer number (1354394250).

Almost surely, 254264877440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54264877440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86681232000).

54264877440 is an abundant number, since it is smaller than the sum of its proper divisors (119097586560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54264877440 is a wasteful number, since it uses less digits than its factorization.

54264877440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64264 (or 64252 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 51.

The spelling of 54264877440 in words is "fifty-four billion, two hundred sixty-four million, eight hundred seventy-seven thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 443 480 640 886 960 1329 1772 1920 2215 2658 3544 4430 5316 6645 7088 8860 10632 13290 14176 17720 21264 26580 28352 35440 42528 53160 56704 63799 70880 85056 106320 127598 141760 170112 191397 212640 255196 283520 318995 382794 425280 510392 637990 765588 850560 956985 1020784 1275980 1531176 1913970 2041568 2551960 3062352 3827940 4083136 5103920 6124704 7655880 8166272 10207840 12249408 15311760 20415680 24498816 28262957 30623520 40831360 56525914 61247040 84788871 113051828 122494080 141314785 169577742 226103656 282629570 339155484 423944355 452207312 565259140 678310968 847888710 904414624 1130518280 1356621936 1695777420 1808829248 2261036560 2713243872 3391554840 3617658496 4522073120 5426487744 6783109680 9044146240 10852975488 13566219360 18088292480 27132438720 54264877440