2555986580 has 48 divisors (see below), whose sum is σ = 6332261376. Its totient is φ = 848067840.

The previous prime is 2555986579. The next prime is 2555986583. The reversal of 2555986580 is 856895552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555986583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290129 + ... + 298808.

It is an arithmetic number, because the mean of its divisors is an integer number (131922112).

Almost surely, 2^2555986580 is an apocalyptic number.

2555986580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555986580 is an abundant number, since it is smaller than the sum of its proper divisors (3776274796).

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

2555986580 is a wasteful number, since it uses less digits than its factorization.

2555986580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588984 (or 588982 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 53.

The square root of 2555986580 is about 50556.7659171352. The cubic root of 2555986580 is about 1367.2655030513.

The spelling of 2555986580 in words is "two billion, five hundred fifty-five million, nine hundred eighty-six thousand, five hundred eighty".