90493120896 has 32 divisors (see below), whose sum is σ = 240372353400. Its totient is φ = 30164373504.

The previous prime is 90493120877. The next prime is 90493120957. The reversal of 90493120896 is 69802139409.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117829201 + ... + 117829968.

Almost surely, 2^90493120896 is an apocalyptic number.

90493120896 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

90493120896 is an abundant number, since it is smaller than the sum of its proper divisors (149879232504).

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

90493120896 is a wasteful number, since it uses less digits than its factorization.

90493120896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235659186 (or 235659174 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 90493120896 in words is "ninety billion, four hundred ninety-three million, one hundred twenty thousand, eight hundred ninety-six".