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40118269980 = 223529215310709
BaseRepresentation
bin100101010111001111…
…000011100000011100
310211112220121021102010
4211113033003200130
51124130234114410
630232521431220
72620111445145
oct452717034034
9124486537363
1040118269980
1116017799028
12793763b510
133a24721bb9
141d28196acc
15109c099c20
hex9573c381c

40118269980 has 96 divisors (see below), whose sum is σ = 116269473600. Its totient is φ = 10323539968.

The previous prime is 40118269969. The next prime is 40118269993. The reversal of 40118269980 is 8996281104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3740866 + ... + 3751574.

It is an arithmetic number, because the mean of its divisors is an integer number (1211140350).

Almost surely, 240118269980 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 40118269980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58134736800).

40118269980 is an abundant number, since it is smaller than the sum of its proper divisors (76151203620).

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

40118269980 is a wasteful number, since it uses less digits than its factorization.

40118269980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12903 (or 12901 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 40118269980 in words is "forty billion, one hundred eighteen million, two hundred sixty-nine thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 2153 4306 6459 8612 10709 10765 12918 21418 21530 25836 32127 32295 42836 43060 53545 62437 64254 64590 107090 124874 128508 129180 160635 187311 214180 249748 310561 312185 321270 374622 621122 624370 642540 749244 931683 936555 1242244 1248740 1552805 1863366 1873110 3105610 3726732 3746220 4658415 6211220 9316830 18633660 23056477 46112954 69169431 92225908 115282385 138338862 230564770 276677724 345847155 461129540 668637833 691694310 1337275666 1383388620 2005913499 2674551332 3343189165 4011826998 6686378330 8023653996 10029567495 13372756660 20059134990 40118269980