426563340156216 has 64 divisors (see below), whose sum is σ = 1195971981811200. Its totient is φ = 140858922286944.

The previous prime is 426563340156211. The next prime is 426563340156223. The reversal of 426563340156216 is 612651043365624.

426563340156216 is a `hidden beast` number, since 4 + 2 + 6 + 5 + 6 + 3 + 3 + 4 + 0 + 1 + 5 + 621 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426563340156211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9228155760 + ... + 9228201983.

It is an arithmetic number, because the mean of its divisors is an integer number (18687062215800).

Almost surely, 2^{426563340156216} is an apocalyptic number.

It is an amenable number.

426563340156216 is an abundant number, since it is smaller than the sum of its proper divisors (769408641654984).

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

426563340156216 is a wasteful number, since it uses less digits than its factorization.

426563340156216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456357865 (or 18456357855 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 426563340156216 in words is "four hundred twenty-six trillion, five hundred sixty-three billion, three hundred forty million, one hundred fifty-six thousand, two hundred sixteen".