572628457278 has 24 divisors (see below), whose sum is σ = 1241021380248. Its totient is φ = 190825938672.

The previous prime is 572628457277. The next prime is 572628457309. The reversal of 572628457278 is 872754826275.

572628457278 is a `hidden beast` number, since 57 + 2 + 6 + 2 + 8 + 4 + 572 + 7 + 8 = 666.

572628457278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572628457273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4114125 + ... + 4251032.

It is an arithmetic number, because the mean of its divisors is an integer number (51709224177).

Almost surely, 2^572628457278 is an apocalyptic number.

572628457278 is an abundant number, since it is smaller than the sum of its proper divisors (668392922970).

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

572628457278 is a wasteful number, since it uses less digits than its factorization.

572628457278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8368968 (or 8368965 counting only the distinct ones).

The product of its digits is 105369600, while the sum is 63.

The spelling of 572628457278 in words is "five hundred seventy-two billion, six hundred twenty-eight million, four hundred fifty-seven thousand, two hundred seventy-eight".