90837022040 has 32 divisors (see below), whose sum is σ = 205028070480. Its totient is φ = 36220182912.

The previous prime is 90837021983. The next prime is 90837022051. The reversal of 90837022040 is 4022073809.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3569222 + ... + 3594581.

Almost surely, 2^90837022040 is an apocalyptic number.

It is an amenable number.

90837022040 is an abundant number, since it is smaller than the sum of its proper divisors (114191048440).

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

90837022040 is a wasteful number, since it uses less digits than its factorization.

90837022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164131 (or 7164127 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 90837022040 its reverse (4022073809), we get a palindrome (94859095849).

The spelling of 90837022040 in words is "ninety billion, eight hundred thirty-seven million, twenty-two thousand, forty".