40403660674 has 32 divisors (see below), whose sum is σ = 69740803440. Its totient is φ = 17389873152.

The previous prime is 40403660669. The next prime is 40403660681. The reversal of 40403660674 is 47606630404.

It can be written as a sum of positive squares in 8 ways, for example, as 33388425625 + 7015235049 = 182725^2 + 83757^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 371139 + ... + 467494.

Almost surely, 2^40403660674 is an apocalyptic number.

40403660674 is a deficient number, since it is larger than the sum of its proper divisors (29337142766).

40403660674 is a wasteful number, since it uses less digits than its factorization.

40403660674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838774.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 40403660674 in words is "forty billion, four hundred three million, six hundred sixty thousand, six hundred seventy-four".