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40190966118 = 2323172026821
BaseRepresentation
bin100101011011100100…
…010111100101100110
310211201222101121202200
4211123210113211212
51124302341403433
630244035515330
72621653401222
oct453344274546
9124658347680
1040190966118
1116054830786
127957a58b46
133a367c5974
141d33abb782
1510a3659613
hex95b917966

40190966118 has 24 divisors (see below), whose sum is σ = 89889473856. Its totient is φ = 12964827600.

The previous prime is 40190966113. The next prime is 40190966119. The reversal of 40190966118 is 81166909104.

40190966118 is a `hidden beast` number, since 401 + 90 + 96 + 61 + 18 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40190966113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36012853 + ... + 36013968.

It is an arithmetic number, because the mean of its divisors is an integer number (3745394744).

Almost surely, 240190966118 is an apocalyptic number.

40190966118 is an abundant number, since it is smaller than the sum of its proper divisors (49698507738).

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

40190966118 is a wasteful number, since it uses less digits than its factorization.

40190966118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72026860 (or 72026857 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 40190966118 in words is "forty billion, one hundred ninety million, nine hundred sixty-six thousand, one hundred eighteen".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 72026821 144053642 216080463 432160926 648241389 1296482778 2232831451 4465662902 6698494353 13396988706 20095483059 40190966118