90038522688 has 28 divisors (see below), whose sum is σ = 238226925120. Its totient is φ = 30012840832.

The previous prime is 90038522659. The next prime is 90038522741. The reversal of 90038522688 is 88622583009.

It is a self number, because there is not a number n which added to its sum of digits gives 90038522688.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234475128 + ... + 234475511.

Almost surely, 2^90038522688 is an apocalyptic number.

It is an amenable number.

90038522688 is an abundant number, since it is smaller than the sum of its proper divisors (148188402432).

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

90038522688 is a wasteful number, since it uses less digits than its factorization.

90038522688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468950654 (or 468950644 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 90038522688 in words is "ninety billion, thirty-eight million, five hundred twenty-two thousand, six hundred eighty-eight".