2655731880 has 64 divisors (see below), whose sum is σ = 8852443200. Its totient is φ = 708194880.

The previous prime is 2655731879. The next prime is 2655731899. The reversal of 2655731880 is 881375562.

2655731880 is a `hidden beast` number, since 2 + 6 + 557 + 3 + 18 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228426 + ... + 1230585.

It is an arithmetic number, because the mean of its divisors is an integer number (138319425).

Almost surely, 2^2655731880 is an apocalyptic number.

2655731880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2655731880 is an abundant number, since it is smaller than the sum of its proper divisors (6196711320).

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

2655731880 is a wasteful number, since it uses less digits than its factorization.

2655731880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459031 (or 2459021 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 2655731880 is about 51533.7935727616. The cubic root of 2655731880 is about 1384.8245126004.

The spelling of 2655731880 in words is "two billion, six hundred fifty-five million, seven hundred thirty-one thousand, eight hundred eighty".