90099017226 has 80 divisors (see below), whose sum is σ = 207083368800. Its totient is φ = 29263604832.

The previous prime is 90099017219. The next prime is 90099017237. The reversal of 90099017226 is 62271099009.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2903320 + ... + 2934188.

It is an arithmetic number, because the mean of its divisors is an integer number (2588542110).

Almost surely, 2^90099017226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90099017226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103541684400).

90099017226 is an abundant number, since it is smaller than the sum of its proper divisors (116984351574).

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

90099017226 is a wasteful number, since it uses less digits than its factorization.

90099017226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31345 (or 31336 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 90099017226 in words is "ninety billion, ninety-nine million, seventeen thousand, two hundred twenty-six".