100426405474431 has 20 divisors (see below), whose sum is σ = 158844379902912. Its totient is φ = 63012646571328.

The previous prime is 100426405474391. The next prime is 100426405474441. The reversal of 100426405474431 is 134474504624001.

100426405474431 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 2 + 64 + 0 + 547 + 4 + 43 + 1 = 666.

It is not a de Polignac number, because 100426405474431 - 2⁴¹ = 98227382218879 is a prime.

It is a super-2 number, since 2×100426405474431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100426405474441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36465650575 + ... + 36465653328.

Almost surely, 2^{100426405474431} is an apocalyptic number.

100426405474431 is a deficient number, since it is larger than the sum of its proper divisors (58417974428481).

100426405474431 is an equidigital number, since it uses as much as digits as its factorization.

100426405474431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72931303932 (or 72931303923 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 100426405474431 in words is "one hundred trillion, four hundred twenty-six billion, four hundred five million, four hundred seventy-four thousand, four hundred thirty-one".