90130944 has 40 divisors (see below), whose sum is σ = 240118560. Its totient is φ = 30043136.

The previous prime is 90130933. The next prime is 90130973. The reversal of 90130944 is 44903109.

It is a super-2 number, since 2×90130944² = 16247174132662272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27804 + ... + 30875.

It is an arithmetic number, because the mean of its divisors is an integer number (6002964).

Almost surely, 2^90130944 is an apocalyptic number.

It is an amenable number.

90130944 is an abundant number, since it is smaller than the sum of its proper divisors (149987616).

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

90130944 is an equidigital number, since it uses as much as digits as its factorization.

90130944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58700 (or 58684 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 90130944 is about 9493.7318268424. The cubic root of 90130944 is about 448.3577075082.

The spelling of 90130944 in words is "ninety million, one hundred thirty thousand, nine hundred forty-four".