40318592818 has 32 divisors (see below), whose sum is σ = 70614944640. Its totient is φ = 16907996160.

The previous prime is 40318592813. The next prime is 40318592837. The reversal of 40318592818 is 81829581304.

It is a happy number.

40318592818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40318592818² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40318592813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42513 + ... + 287131.

It is an arithmetic number, because the mean of its divisors is an integer number (2206717020).

Almost surely, 2^40318592818 is an apocalyptic number.

40318592818 is a deficient number, since it is larger than the sum of its proper divisors (30296351822).

40318592818 is a wasteful number, since it uses less digits than its factorization.

40318592818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244882.

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 40318592818 in words is "forty billion, three hundred eighteen million, five hundred ninety-two thousand, eight hundred eighteen".