2456255664 has 60 divisors (see below), whose sum is σ = 7128712136. Its totient is φ = 818750592.

The previous prime is 2456255621. The next prime is 2456255687. The reversal of 2456255664 is 4665526542.

2456255664 is a `hidden beast` number, since 24 + 5 + 62 + 5 + 566 + 4 = 666.

2456255664 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 311989 + ... + 319764.

Almost surely, 2^2456255664 is an apocalyptic number.

2456255664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2456255664 is an abundant number, since it is smaller than the sum of its proper divisors (4672456472).

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

2456255664 is an equidigital number, since it uses as much as digits as its factorization.

2456255664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631776 (or 631758 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The square root of 2456255664 is about 49560.6261461657. The cubic root of 2456255664 is about 1349.2461569084.

The spelling of 2456255664 in words is "two billion, four hundred fifty-six million, two hundred fifty-five thousand, six hundred sixty-four".