90404532315 has 12 divisors (see below), whose sum is σ = 156701189424. Its totient is φ = 48215750544.

The previous prime is 90404532221. The next prime is 90404532319. The reversal of 90404532315 is 51323540409.

90404532315 is a `hidden beast` number, since 90 + 4 + 0 + 4 + 532 + 31 + 5 = 666.

It is not a de Polignac number, because 90404532315 - 2¹⁰ = 90404531291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90404532315.

It is not an unprimeable number, because it can be changed into a prime (90404532319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1004494759 + ... + 1004494848.

It is an arithmetic number, because the mean of its divisors is an integer number (13058432452).

Almost surely, 2^90404532315 is an apocalyptic number.

90404532315 is a deficient number, since it is larger than the sum of its proper divisors (66296657109).

90404532315 is a wasteful number, since it uses less digits than its factorization.

90404532315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008989618 (or 2008989615 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 90404532315 in words is "ninety billion, four hundred four million, five hundred thirty-two thousand, three hundred fifteen".