40974357658 has 8 divisors (see below), whose sum is σ = 66189347028. Its totient is φ = 18911241984.

The previous prime is 40974357629. The next prime is 40974357673. The reversal of 40974357658 is 85675347904.

It can be written as a sum of positive squares in 2 ways, for example, as 31906176129 + 9068181529 = 178623^2 + 95227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787968391 + ... + 787968442.

Almost surely, 2^40974357658 is an apocalyptic number.

40974357658 is a deficient number, since it is larger than the sum of its proper divisors (25214989370).

40974357658 is a wasteful number, since it uses less digits than its factorization.

40974357658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575936848.

The product of its (nonzero) digits is 25401600, while the sum is 58.

The spelling of 40974357658 in words is "forty billion, nine hundred seventy-four million, three hundred fifty-seven thousand, six hundred fifty-eight".