2555816927988 has 48 divisors (see below), whose sum is σ = 6047281719360. Its totient is φ = 840020899584.

The previous prime is 2555816927969. The next prime is 2555816928043. The reversal of 2555816927988 is 8897296185552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2013745 + ... + 3027672.

It is an arithmetic number, because the mean of its divisors is an integer number (125985035820).

Almost surely, 2^{2555816927988} is an apocalyptic number.

It is an amenable number.

2555816927988 is an abundant number, since it is smaller than the sum of its proper divisors (3491464791372).

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

2555816927988 is a wasteful number, since it uses less digits than its factorization.

2555816927988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042016 (or 5042014 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 75.

The spelling of 2555816927988 in words is "two trillion, five hundred fifty-five billion, eight hundred sixteen million, nine hundred twenty-seven thousand, nine hundred eighty-eight".