564778346142144 has 28 divisors (see below), whose sum is σ = 1494309374168264. Its totient is φ = 188259448713984.

The previous prime is 564778346142113. The next prime is 564778346142149. The reversal of 564778346142144 is 441241643877465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564778346142149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470776942887 + ... + 1470776943270.

Almost surely, 2^{564778346142144} is an apocalyptic number.

It is an amenable number.

564778346142144 is an abundant number, since it is smaller than the sum of its proper divisors (929531028026120).

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

564778346142144 is a wasteful number, since it uses less digits than its factorization.

564778346142144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941553886172 (or 2941553886162 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 66.

The spelling of 564778346142144 in words is "five hundred sixty-four trillion, seven hundred seventy-eight billion, three hundred forty-six million, one hundred forty-two thousand, one hundred forty-four".