90232950544 has 45 divisors (see below), whose sum is σ = 192192643111. Its totient is φ = 41008969760.

The previous prime is 90232950539. The next prime is 90232950547. The reversal of 90232950544 is 44505923209.

The square root of 90232950544 is 300388.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×90232950544³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90232950544.

It is not an unprimeable number, because it can be changed into a prime (90232950547) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13213659 + ... + 13220485.

Almost surely, 2^90232950544 is an apocalyptic number.

90232950544 is the 300388-th square number.

It is an amenable number.

90232950544 is an abundant number, since it is smaller than the sum of its proper divisors (101959692567).

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

90232950544 is an frugal number, since it uses more digits than its factorization.

90232950544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13684 (or 6840 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 90232950544 in words is "ninety billion, two hundred thirty-two million, nine hundred fifty thousand, five hundred forty-four".