90242918752 has 48 divisors (see below), whose sum is σ = 203076986112. Its totient is φ = 38669742720.

The previous prime is 90242918741. The next prime is 90242918761. The reversal of 90242918752 is 25781924209.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 90242918696 and 90242918705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685677 + ... + 1738387.

It is an arithmetic number, because the mean of its divisors is an integer number (4230770544).

Almost surely, 2^90242918752 is an apocalyptic number.

It is an amenable number.

90242918752 is an abundant number, since it is smaller than the sum of its proper divisors (112834067360).

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

90242918752 is a wasteful number, since it uses less digits than its factorization.

90242918752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60371 (or 60363 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 90242918752 in words is "ninety billion, two hundred forty-two million, nine hundred eighteen thousand, seven hundred fifty-two".