40315808072 has 32 divisors (see below), whose sum is σ = 78896938680. Its totient is φ = 19295178240.

The previous prime is 40315808063. The next prime is 40315808077. The reversal of 40315808072 is 27080851304.

It can be written as a sum of positive squares in 4 ways, for example, as 19506591556 + 20809216516 = 139666^2 + 144254^2 .

It is not an unprimeable number, because it can be changed into a prime (40315808077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142183 + ... + 1176950.

Almost surely, 2^40315808072 is an apocalyptic number.

It is an amenable number.

40315808072 is a deficient number, since it is larger than the sum of its proper divisors (38581130608).

40315808072 is a wasteful number, since it uses less digits than its factorization.

40315808072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319233 (or 2319229 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 40315808072 in words is "forty billion, three hundred fifteen million, eight hundred eight thousand, seventy-two".