90264115836990 has 64 divisors (see below), whose sum is σ = 241052651377920. Its totient is φ = 24035596642080.

The previous prime is 90264115836977. The next prime is 90264115837033. The reversal of 90264115836990 is 9963851146209.

90264115836990 is a `hidden beast` number, since 9 + 0 + 2 + 6 + 41 + 1 + 583 + 6 + 9 + 9 + 0 = 666.

It is a super-2 number, since 2×90264115836990² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241717584 + ... + 242090723.

It is an arithmetic number, because the mean of its divisors is an integer number (3766447677780).

Almost surely, 2^{90264115836990} is an apocalyptic number.

90264115836990 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90264115836990 is an abundant number, since it is smaller than the sum of its proper divisors (150788535540930).

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

90264115836990 is a wasteful number, since it uses less digits than its factorization.

90264115836990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483809014 (or 483809008 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 90264115836990 in words is "ninety trillion, two hundred sixty-four billion, one hundred fifteen million, eight hundred thirty-six thousand, nine hundred ninety".