40800311018 has 24 divisors (see below), whose sum is σ = 64226413188. Its totient is φ = 19437135872.

The previous prime is 40800311003. The next prime is 40800311039. The reversal of 40800311018 is 81011300804.

It can be written as a sum of positive squares in 2 ways, for example, as 28819476169 + 11980834849 = 169763^2 + 109457^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196880 + ... + 346932.

Almost surely, 2^40800311018 is an apocalyptic number.

40800311018 is a deficient number, since it is larger than the sum of its proper divisors (23426102170).

40800311018 is a wasteful number, since it uses less digits than its factorization.

40800311018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150358 (or 150335 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The spelling of 40800311018 in words is "forty billion, eight hundred million, three hundred eleven thousand, eighteen".