2456556860 has 24 divisors (see below), whose sum is σ = 5383064736. Its totient is φ = 939899840.

The previous prime is 2456556857. The next prime is 2456556881. The reversal of 2456556860 is 686556542.

It is a congruent number.

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, 2669711 + ... + 2670630.

It is an arithmetic number, because the mean of its divisors is an integer number (224294364).

Almost surely, 2^2456556860 is an apocalyptic number.

2456556860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2456556860 is an abundant number, since it is smaller than the sum of its proper divisors (2926507876).

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

2456556860 is a wasteful number, since it uses less digits than its factorization.

2456556860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340373 (or 5340371 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The square root of 2456556860 is about 49563.6647151923. The cubic root of 2456556860 is about 1349.3013046606.

The spelling of 2456556860 in words is "two billion, four hundred fifty-six million, five hundred fifty-six thousand, eight hundred sixty".