90437235126 has 64 divisors (see below), whose sum is σ = 212393418240. Its totient is φ = 25129854720.

The previous prime is 90437235107. The next prime is 90437235157. The reversal of 90437235126 is 62153273409.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3934146 + ... + 3957066.

It is an arithmetic number, because the mean of its divisors is an integer number (3318647160).

Almost surely, 2^90437235126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90437235126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106196709120).

90437235126 is an abundant number, since it is smaller than the sum of its proper divisors (121956183114).

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

90437235126 is a wasteful number, since it uses less digits than its factorization.

90437235126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25509.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 90437235126 in words is "ninety billion, four hundred thirty-seven million, two hundred thirty-five thousand, one hundred twenty-six".