426067705620 has 72 divisors (see below), whose sum is σ = 1292489236584. Its totient is φ = 113610682368.

The previous prime is 426067705603. The next prime is 426067705639. The reversal of 426067705620 is 26507760624.

426067705620 is a `hidden beast` number, since 4 + 26 + 0 + 67 + 7 + 0 + 562 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32404320144 + 393663385476 = 180012^2 + 627426^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3059752 + ... + 3195968.

It is an arithmetic number, because the mean of its divisors is an integer number (17951239397).

Almost surely, 2^426067705620 is an apocalyptic number.

It is an amenable number.

426067705620 is an abundant number, since it is smaller than the sum of its proper divisors (866421530964).

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

426067705620 is a wasteful number, since it uses less digits than its factorization.

426067705620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153609 (or 153604 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 426067705620 in words is "four hundred twenty-six billion, sixty-seven million, seven hundred five thousand, six hundred twenty".