888000040 has 16 divisors (see below), whose sum is σ = 1998000180. Its totient is φ = 355200000.

The previous prime is 888000023. The next prime is 888000059. The reversal of 888000040 is 40000888.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 884824516 + 3175524 = 29746^2 + 1782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 887999972 and 888000008.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11099961 + ... + 11100040.

Almost surely, 2^888000040 is an apocalyptic number.

It is an amenable number.

888000040 is an abundant number, since it is smaller than the sum of its proper divisors (1110000140).

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

888000040 is a wasteful number, since it uses less digits than its factorization.

888000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22200012 (or 22200008 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 888000040 is about 29799.3295226587. The cubic root of 888000040 is about 961.1791211732.

The spelling of 888000040 in words is "eight hundred eighty-eight million, forty", and thus it is an aban number.