2564880 has 40 divisors (see below), whose sum is σ = 7951872. Its totient is φ = 683904.

The previous prime is 2564857. The next prime is 2564899. The reversal of 2564880 is 884652.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5104 + ... + 5583.

2^2564880 is an apocalyptic number.

2564880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2564880 is an abundant number, since it is smaller than the sum of its proper divisors (5386992).

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

2564880 is a wasteful number, since it uses less digits than its factorization.

2564880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10703 (or 10697 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2564880 is about 1601.5242739341. The cubic root of 2564880 is about 136.8849443370.

The spelling of 2564880 in words is "two million, five hundred sixty-four thousand, eight hundred eighty".