90369635980 has 48 divisors (see below), whose sum is σ = 216396442080. Its totient is φ = 31404469248.

The previous prime is 90369635969. The next prime is 90369636013. The reversal of 90369635980 is 8953696309.

It is a super-2 number, since 2×90369635980² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10218390 + ... + 10227229.

It is an arithmetic number, because the mean of its divisors is an integer number (4508259210).

Almost surely, 2^90369635980 is an apocalyptic number.

It is an amenable number.

90369635980 is an abundant number, since it is smaller than the sum of its proper divisors (126026806100).

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

90369635980 is a wasteful number, since it uses less digits than its factorization.

90369635980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20445658 (or 20445656 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 58.

The spelling of 90369635980 in words is "ninety billion, three hundred sixty-nine million, six hundred thirty-five thousand, nine hundred eighty".