426546564533656 has 32 divisors (see below), whose sum is σ = 914085137031840. Its totient is φ = 182794313622528.

The previous prime is 426546564533647. The next prime is 426546564533659. The reversal of 426546564533656 is 656335465645624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426546564533659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235692435 + ... + 237495298.

It is an arithmetic number, because the mean of its divisors is an integer number (28565160532245).

Almost surely, 2^{426546564533656} is an apocalyptic number.

It is an amenable number.

426546564533656 is an abundant number, since it is smaller than the sum of its proper divisors (487538572498184).

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

426546564533656 is a wasteful number, since it uses less digits than its factorization.

426546564533656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473203843 (or 473203839 counting only the distinct ones).

The product of its digits is 5598720000, while the sum is 70.

The spelling of 426546564533656 in words is "four hundred twenty-six trillion, five hundred forty-six billion, five hundred sixty-four million, five hundred thirty-three thousand, six hundred fifty-six".