90400113866 has 32 divisors (see below), whose sum is σ = 141980670720. Its totient is φ = 43123564800.

The previous prime is 90400113833. The next prime is 90400113977. The reversal of 90400113866 is 66831100409.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4966430 + ... + 4984598.

It is an arithmetic number, because the mean of its divisors is an integer number (4436895960).

Almost surely, 2^90400113866 is an apocalyptic number.

90400113866 is a deficient number, since it is larger than the sum of its proper divisors (51580556854).

90400113866 is a wasteful number, since it uses less digits than its factorization.

90400113866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19550.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 90400113866 in words is "ninety billion, four hundred million, one hundred thirteen thousand, eight hundred sixty-six".