90237842944 has 40 divisors (see below), whose sum is σ = 180670164048. Its totient is φ = 45026150400.

The previous prime is 90237842939. The next prime is 90237842951. The reversal of 90237842944 is 44924873209.

It is a junction number, because it is equal to n+sod(n) for n = 90237842891 and 90237842900.

It is a congruent number.

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, 68394 + ... + 430294.

Almost surely, 2^90237842944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90237842944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90335082024).

90237842944 is an abundant number, since it is smaller than the sum of its proper divisors (90432321104).

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

90237842944 is an equidigital number, since it uses as much as digits as its factorization.

90237842944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362406 (or 362390 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 90237842944 in words is "ninety billion, two hundred thirty-seven million, eight hundred forty-two thousand, nine hundred forty-four".