40024305018 has 12 divisors (see below), whose sum is σ = 86719327578. Its totient is φ = 13341435000.

The previous prime is 40024305007. The next prime is 40024305037. The reversal of 40024305018 is 81050342004.

40024305018 is a `hidden beast` number, since 400 + 243 + 0 + 5 + 0 + 18 = 666.

40024305018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38342730969 + 1681574049 = 195813^2 + 41007^2 .

It is a super-3 number, since 3×40024305018³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40024304982 and 40024305000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111786233 + ... + 1111786268.

Almost surely, 2^40024305018 is an apocalyptic number.

40024305018 is an abundant number, since it is smaller than the sum of its proper divisors (46695022560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40024305018 is a wasteful number, since it uses less digits than its factorization.

40024305018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223572509 (or 2223572506 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 40024305018 in words is "forty billion, twenty-four million, three hundred five thousand, eighteen".