90013980650 has 48 divisors (see below), whose sum is σ = 182681477280. Its totient is φ = 32726097600.

The previous prime is 90013980577. The next prime is 90013980703. The reversal of 90013980650 is 5608931009.

It is a junction number, because it is equal to n+sod(n) for n = 90013980598 and 90013980607.

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 23 ways as a sum of consecutive naturals, for example, 3638021 + ... + 3662679.

It is an arithmetic number, because the mean of its divisors is an integer number (3805864110).

Almost surely, 2^90013980650 is an apocalyptic number.

90013980650 is an abundant number, since it is smaller than the sum of its proper divisors (92667496630).

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

90013980650 is a wasteful number, since it uses less digits than its factorization.

90013980650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31319 (or 31314 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 90013980650 in words is "ninety billion, thirteen million, nine hundred eighty thousand, six hundred fifty".