2544579664 has 60 divisors (see below), whose sum is σ = 5428902528. Its totient is φ = 1154528320.

The previous prime is 2544579659. The next prime is 2544579701. The reversal of 2544579664 is 4669754452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1670007 + ... + 1671529.

Almost surely, 2^2544579664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2544579664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2714451264).

2544579664 is an abundant number, since it is smaller than the sum of its proper divisors (2884322864).

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

2544579664 is a wasteful number, since it uses less digits than its factorization.

2544579664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416 (or 2399 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The square root of 2544579664 is about 50443.8268175601. The cubic root of 2544579664 is about 1365.2285151016.

The spelling of 2544579664 in words is "two billion, five hundred forty-four million, five hundred seventy-nine thousand, six hundred sixty-four".