40632883218 has 12 divisors (see below), whose sum is σ = 88037913678. Its totient is φ = 13544294400.

The previous prime is 40632883189. The next prime is 40632883229. The reversal of 40632883218 is 81238823604.

40632883218 is a `hidden beast` number, since 4 + 0 + 632 + 8 + 8 + 3 + 2 + 1 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30599455329 + 10033427889 = 174927^2 + 100167^2 .

It is a Curzon number.

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, 1128691183 + ... + 1128691218.

Almost surely, 2^40632883218 is an apocalyptic number.

40632883218 is an abundant number, since it is smaller than the sum of its proper divisors (47405030460).

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

40632883218 is a wasteful number, since it uses less digits than its factorization.

40632883218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257382409 (or 2257382406 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 40632883218 in words is "forty billion, six hundred thirty-two million, eight hundred eighty-three thousand, two hundred eighteen".