90974440984 has 32 divisors (see below), whose sum is σ = 194969930400. Its totient is φ = 38984106240.

The previous prime is 90974440969. The next prime is 90974441009. The reversal of 90974440984 is 48904447909.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361572 + ... + 559180.

It is an arithmetic number, because the mean of its divisors is an integer number (6092810325).

Almost surely, 2^90974440984 is an apocalyptic number.

It is an amenable number.

90974440984 is an abundant number, since it is smaller than the sum of its proper divisors (103995489416).

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

90974440984 is a wasteful number, since it uses less digits than its factorization.

90974440984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205843 (or 205839 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 90974440984 in words is "ninety billion, nine hundred seventy-four million, four hundred forty thousand, nine hundred eighty-four".