2568172464 has 120 divisors (see below), whose sum is σ = 8443907472. Its totient is φ = 718364160.

The previous prime is 2568172441. The next prime is 2568172469. The reversal of 2568172464 is 4642718652.

2568172464 is a `hidden beast` number, since 2 + 568 + 1 + 7 + 24 + 64 = 666.

It is not an unprimeable number, because it can be changed into a prime (2568172469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41767 + ... + 82950.

Almost surely, 2^2568172464 is an apocalyptic number.

2568172464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2568172464 is an abundant number, since it is smaller than the sum of its proper divisors (5875735008).

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

2568172464 is a wasteful number, since it uses less digits than its factorization.

2568172464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124755 (or 124746 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2568172464 is about 50677.1394614968. The cubic root of 2568172464 is about 1369.4349107129.

The spelling of 2568172464 in words is "two billion, five hundred sixty-eight million, one hundred seventy-two thousand, four hundred sixty-four".