2555586366788 has 96 divisors (see below), whose sum is σ = 5674581024000. Its totient is φ = 1000577829888.

The previous prime is 2555586366779. The next prime is 2555586366833. The reversal of 2555586366788 is 8876636855552.

It is a super-2 number, since 2×2555586366788² (a number of 26 digits) contains 22 as substring.

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, 991523 + ... + 2468661.

It is an arithmetic number, because the mean of its divisors is an integer number (59110219000).

Almost surely, 2^{2555586366788} is an apocalyptic number.

2555586366788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555586366788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2837290512000).

2555586366788 is an abundant number, since it is smaller than the sum of its proper divisors (3118994657212).

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

2555586366788 is a wasteful number, since it uses less digits than its factorization.

2555586366788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477274 (or 1477258 counting only the distinct ones).

The product of its digits is 2903040000, while the sum is 74.

The spelling of 2555586366788 in words is "two trillion, five hundred fifty-five billion, five hundred eighty-six million, three hundred sixty-six thousand, seven hundred eighty-eight".