40654719738 has 12 divisors (see below), whose sum is σ = 88085226138. Its totient is φ = 13551573240.

The previous prime is 40654719727. The next prime is 40654719793. The reversal of 40654719738 is 83791745604.

40654719738 is a `hidden beast` number, since 4 + 0 + 6 + 547 + 1 + 97 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23797073169 + 16857646569 = 154263^2 + 129837^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129297753 + ... + 1129297788.

Almost surely, 2^40654719738 is an apocalyptic number.

40654719738 is an abundant number, since it is smaller than the sum of its proper divisors (47430506400).

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

40654719738 is a wasteful number, since it uses less digits than its factorization.

40654719738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258595549 (or 2258595546 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 40654719738 in words is "forty billion, six hundred fifty-four million, seven hundred nineteen thousand, seven hundred thirty-eight".