90590556340 has 48 divisors (see below), whose sum is σ = 194066990208. Its totient is φ = 35508979584.

The previous prime is 90590556313. The next prime is 90590556401. The reversal of 90590556340 is 4365509509.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820459 + ... + 924301.

It is an arithmetic number, because the mean of its divisors is an integer number (4043062296).

Almost surely, 2^90590556340 is an apocalyptic number.

It is an amenable number.

90590556340 is an abundant number, since it is smaller than the sum of its proper divisors (103476433868).

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

90590556340 is a wasteful number, since it uses less digits than its factorization.

90590556340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104728 (or 104726 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 46.

The spelling of 90590556340 in words is "ninety billion, five hundred ninety million, five hundred fifty-six thousand, three hundred forty".