90026128502926 has 64 divisors (see below), whose sum is σ = 168914517778944. Its totient is φ = 34959841488000.

The previous prime is 90026128502861. The next prime is 90026128502941. The reversal of 90026128502926 is 62920582162009.

It is a super-2 number, since 2×90026128502926² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78974625 + ... + 80106451.

It is an arithmetic number, because the mean of its divisors is an integer number (2639289340296).

Almost surely, 2^{90026128502926} is an apocalyptic number.

90026128502926 is a deficient number, since it is larger than the sum of its proper divisors (78888389276018).

90026128502926 is a wasteful number, since it uses less digits than its factorization.

90026128502926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133545.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 90026128502926 in words is "ninety trillion, twenty-six billion, one hundred twenty-eight million, five hundred two thousand, nine hundred twenty-six".