90467394918 has 16 divisors (see below), whose sum is σ = 187173920880. Its totient is φ = 29115943136.

The previous prime is 90467394911. The next prime is 90467394923. The reversal of 90467394918 is 81949376409.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90467394911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259963605 + ... + 259963952.

It is an arithmetic number, because the mean of its divisors is an integer number (11698370055).

Almost surely, 2^90467394918 is an apocalyptic number.

90467394918 is an abundant number, since it is smaller than the sum of its proper divisors (96706525962).

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

90467394918 is a wasteful number, since it uses less digits than its factorization.

90467394918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519927591.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 90467394918 in words is "ninety billion, four hundred sixty-seven million, three hundred ninety-four thousand, nine hundred eighteen".