90655404426 has 12 divisors (see below), whose sum is σ = 196420042962. Its totient is φ = 30218468136.

The previous prime is 90655404419. The next prime is 90655404451. The reversal of 90655404426 is 62440455609.

90655404426 is a `hidden beast` number, since 9 + 0 + 65 + 540 + 4 + 42 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50335166025 + 40320238401 = 224355^2 + 200799^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2518205661 + ... + 2518205696.

Almost surely, 2^90655404426 is an apocalyptic number.

90655404426 is an abundant number, since it is smaller than the sum of its proper divisors (105764638536).

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

90655404426 is a wasteful number, since it uses less digits than its factorization.

90655404426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5036411365 (or 5036411362 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 90655404426 in words is "ninety billion, six hundred fifty-five million, four hundred four thousand, four hundred twenty-six".