90590449512 has 32 divisors (see below), whose sum is σ = 226561456800. Its totient is φ = 30185438784.

The previous prime is 90590449489. The next prime is 90590449549. The reversal of 90590449512 is 21594409509.

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 7 ways as a sum of consecutive naturals, for example, 645963 + ... + 773594.

It is an arithmetic number, because the mean of its divisors is an integer number (7080045525).

Almost surely, 2^90590449512 is an apocalyptic number.

It is an amenable number.

90590449512 is an abundant number, since it is smaller than the sum of its proper divisors (135971007288).

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

90590449512 is a wasteful number, since it uses less digits than its factorization.

90590449512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422225 (or 1422221 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 90590449512 in words is "ninety billion, five hundred ninety million, four hundred forty-nine thousand, five hundred twelve".