426621613204056 has 16 divisors (see below), whose sum is σ = 1066554033010200. Its totient is φ = 142207204401344.

The previous prime is 426621613204027. The next prime is 426621613204091. The reversal of 426621613204056 is 650402316126624.

It is a super-2 number, since 2×426621613204056² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426621613203996 and 426621613204014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8887950275061 + ... + 8887950275108.

Almost surely, 2^{426621613204056} is an apocalyptic number.

It is an amenable number.

426621613204056 is an abundant number, since it is smaller than the sum of its proper divisors (639932419806144).

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

426621613204056 is a wasteful number, since it uses less digits than its factorization.

426621613204056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17775900550178 (or 17775900550174 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 426621613204056 in words is "four hundred twenty-six trillion, six hundred twenty-one billion, six hundred thirteen million, two hundred four thousand, fifty-six".