90393360438 has 32 divisors (see below), whose sum is σ = 188673566976. Its totient is φ = 28817014688.

The previous prime is 90393360437. The next prime is 90393360457. The reversal of 90393360438 is 83406339309.

It is a super-2 number, since 2×90393360438² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90393360437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028245 + ... + 1112687.

It is an arithmetic number, because the mean of its divisors is an integer number (5896048968).

Almost surely, 2^90393360438 is an apocalyptic number.

90393360438 is an abundant number, since it is smaller than the sum of its proper divisors (98280206538).

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

90393360438 is a wasteful number, since it uses less digits than its factorization.

90393360438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92228.

The product of its (nonzero) digits is 1259712, while the sum is 48.

The spelling of 90393360438 in words is "ninety billion, three hundred ninety-three million, three hundred sixty thousand, four hundred thirty-eight".