564778404271312 has 120 divisors (see below), whose sum is σ = 1408190071263552. Its totient is φ = 216944329190400.

The previous prime is 564778404271267. The next prime is 564778404271349. The reversal of 564778404271312 is 213172404877465.

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, 460578873 + ... + 461803480.

Almost surely, 2^{564778404271312} is an apocalyptic number.

It is an amenable number.

564778404271312 is an abundant number, since it is smaller than the sum of its proper divisors (843411666992240).

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

564778404271312 is a wasteful number, since it uses less digits than its factorization.

564778404271312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922382457 (or 922382444 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 61.

The spelling of 564778404271312 in words is "five hundred sixty-four trillion, seven hundred seventy-eight billion, four hundred four million, two hundred seventy-one thousand, three hundred twelve".