2572672656 has 40 divisors (see below), whose sum is σ = 6995866720. Its totient is φ = 812422656.

The previous prime is 2572672651. The next prime is 2572672657. The reversal of 2572672656 is 6562762752.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2572672651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409545 + ... + 1411368.

It is an arithmetic number, because the mean of its divisors is an integer number (174896668).

Almost surely, 2^2572672656 is an apocalyptic number.

It is an amenable number.

2572672656 is an abundant number, since it is smaller than the sum of its proper divisors (4423194064).

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

2572672656 is a wasteful number, since it uses less digits than its factorization.

2572672656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820943 (or 2820937 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 48.

The square root of 2572672656 is about 50721.5206396654. The cubic root of 2572672656 is about 1370.2343279359.

The spelling of 2572672656 in words is "two billion, five hundred seventy-two million, six hundred seventy-two thousand, six hundred fifty-six".