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4239554940 = 2232540957587
BaseRepresentation
bin1111110010110010…
…0111100101111100
3101221110110201001100
43330230213211330
532140311224230
61540404213100
7210026423325
oct37454474574
911843421040
104239554940
111886133415
129a399a190
13527447aba
142c30b144c
1519c2e4660
hexfcb2797c

4239554940 has 72 divisors (see below), whose sum is σ = 12891649680. Its totient is φ = 1127764224.

The previous prime is 4239554929. The next prime is 4239554951. The reversal of 4239554940 is 494559324.

4239554940 is a `hidden beast` number, since 4 + 2 + 3 + 9 + 554 + 94 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (4239554929) and next prime (4239554951).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44827 + ... + 102413.

It is an arithmetic number, because the mean of its divisors is an integer number (179050690).

Almost surely, 24239554940 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 4239554940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6445824840).

4239554940 is an abundant number, since it is smaller than the sum of its proper divisors (8652094740).

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

4239554940 is a wasteful number, since it uses less digits than its factorization.

4239554940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58011 (or 58006 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 4239554940 is about 65111.8648174048. The cubic root of 4239554940 is about 1618.4778340394.

The spelling of 4239554940 in words is "four billion, two hundred thirty-nine million, five hundred fifty-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 409 818 1227 1636 2045 2454 3681 4090 4908 6135 7362 8180 12270 14724 18405 24540 36810 57587 73620 115174 172761 230348 287935 345522 518283 575870 691044 863805 1036566 1151740 1727610 2073132 2591415 3455220 5182830 10365660 23553083 47106166 70659249 94212332 117765415 141318498 211977747 235530830 282636996 353296245 423955494 471061660 706592490 847910988 1059888735 1413184980 2119777470 4239554940