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40808933369680 = 2457274926508947
BaseRepresentation
bin10010100011101100100011…
…11110100010011101010000
312100111021222201202221200211
421101312101332202131100
520322103143420312210
6222443210513453504
711411230261166230
oct1121662176423520
9170437881687624
1040808933369680
1112003a76000713
1246b1065271294
1319a035c2655a8
14a1123d06dcc0
154ab80242838a
hex251d91fa2750

40808933369680 has 80 divisors (see below), whose sum is σ = 108474615216000. Its totient is φ = 13986544052736.

The previous prime is 40808933369641. The next prime is 40808933369723. The reversal of 40808933369680 is 8696333980804.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11715034 + ... + 14793913.

It is an arithmetic number, because the mean of its divisors is an integer number (1355932690200).

Almost surely, 240808933369680 is an apocalyptic number.

40808933369680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40808933369680 is an abundant number, since it is smaller than the sum of its proper divisors (67665681846320).

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

40808933369680 is a wasteful number, since it uses less digits than its factorization.

40808933369680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26511716 (or 26511710 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 67.

The spelling of 40808933369680 in words is "forty trillion, eight hundred eight billion, nine hundred thirty-three million, three hundred sixty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 2749 5498 10996 13745 19243 21992 27490 38486 43984 54980 76972 96215 109960 153944 192430 219920 307888 384860 769720 1539440 26508947 53017894 106035788 132544735 185562629 212071576 265089470 371125258 424143152 530178940 742250516 927813145 1060357880 1484501032 1855626290 2120715760 2969002064 3711252580 7422505160 14845010320 72873095303 145746190606 291492381212 364365476515 510111667121 582984762424 728730953030 1020223334242 1165969524848 1457461906060 2040446668484 2550558335605 2914923812120 4080893336968 5101116671210 5829847624240 8161786673936 10202233342420 20404466684840 40808933369680