90044458 has 48 divisors (see below), whose sum is σ = 169987680. Its totient is φ = 35544096.

The previous prime is 90044453. The next prime is 90044473. The reversal of 90044458 is 85444009.

It is not an unprimeable number, because it can be changed into a prime (90044453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68241 + ... + 69547.

It is an arithmetic number, because the mean of its divisors is an integer number (3541410).

Almost surely, 2^90044458 is an apocalyptic number.

90044458 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

90044458 is a deficient number, since it is larger than the sum of its proper divisors (79943222).

90044458 is a wasteful number, since it uses less digits than its factorization.

90044458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 90044458 is about 9489.1758335485. The cubic root of 90044458 is about 448.2142529874.

The spelling of 90044458 in words is "ninety million, forty-four thousand, four hundred fifty-eight".