2555896980 has 96 divisors (see below), whose sum is σ = 8808033024. Its totient is φ = 539265024.

The previous prime is 2555896961. The next prime is 2555896997. The reversal of 2555896980 is 896985552.

It is a self number, because there is not a number n which added to its sum of digits gives 2555896980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228597 + ... + 239516.

It is an arithmetic number, because the mean of its divisors is an integer number (91750344).

Almost surely, 2^2555896980 is an apocalyptic number.

2555896980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555896980 is an abundant number, since it is smaller than the sum of its proper divisors (6252136044).

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

2555896980 is a wasteful number, since it uses less digits than its factorization.

2555896980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468145 (or 468143 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 57.

The square root of 2555896980 is about 50555.8797767381. The cubic root of 2555896980 is about 1367.2495263867.

The spelling of 2555896980 in words is "two billion, five hundred fifty-five million, eight hundred ninety-six thousand, nine hundred eighty".