2555567880 has 32 divisors (see below), whose sum is σ = 7666704000. Its totient is φ = 681484736.

The previous prime is 2555567879. The next prime is 2555567897. The reversal of 2555567880 is 887655552.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 10648080 + ... + 10648319.

It is an arithmetic number, because the mean of its divisors is an integer number (239584500).

Almost surely, 2^2555567880 is an apocalyptic number.

2555567880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555567880 is an abundant number, since it is smaller than the sum of its proper divisors (5111136120).

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

2555567880 is a wasteful number, since it uses less digits than its factorization.

2555567880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21296413 (or 21296409 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 51.

The square root of 2555567880 is about 50552.6248576669. The cubic root of 2555567880 is about 1367.1908410359.

The spelling of 2555567880 in words is "two billion, five hundred fifty-five million, five hundred sixty-seven thousand, eight hundred eighty".