90379294440 has 32 divisors (see below), whose sum is σ = 271137883680. Its totient is φ = 24101145152.

The previous prime is 90379294387. The next prime is 90379294457. The reversal of 90379294440 is 4449297309.

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, 376580274 + ... + 376580513.

It is an arithmetic number, because the mean of its divisors is an integer number (8473058865).

Almost surely, 2^90379294440 is an apocalyptic number.

It is an amenable number.

90379294440 is an abundant number, since it is smaller than the sum of its proper divisors (180758589240).

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

90379294440 is a wasteful number, since it uses less digits than its factorization.

90379294440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753160801 (or 753160797 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 90379294440 in words is "ninety billion, three hundred seventy-nine million, two hundred ninety-four thousand, four hundred forty".