90002551264 has 12 divisors (see below), whose sum is σ = 177192522864. Its totient is φ = 45001275616.

The previous prime is 90002551157. The next prime is 90002551297. The reversal of 90002551264 is 46215520009.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406289832 + ... + 1406289895.

It is an arithmetic number, because the mean of its divisors is an integer number (14766043572).

Almost surely, 2^90002551264 is an apocalyptic number.

It is an amenable number.

90002551264 is a deficient number, since it is larger than the sum of its proper divisors (87189971600).

90002551264 is a wasteful number, since it uses less digits than its factorization.

90002551264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812579737 (or 2812579729 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 90002551264 in words is "ninety billion, two million, five hundred fifty-one thousand, two hundred sixty-four".