2555845951988 has 24 divisors (see below), whose sum is σ = 5111728104000. Its totient is φ = 1095354793728.

The previous prime is 2555845951937. The next prime is 2555845951999. The reversal of 2555845951988 is 8891595485552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5615588 + ... + 6053636.

It is an arithmetic number, because the mean of its divisors is an integer number (212988671000).

Almost surely, 2^{2555845951988} is an apocalyptic number.

2555845951988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2555845951988 is an abundant number, since it is smaller than the sum of its proper divisors (2555882152012).

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

2555845951988 is a wasteful number, since it uses less digits than its factorization.

2555845951988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646439 (or 646437 counting only the distinct ones).

The product of its digits is 1036800000, while the sum is 74.

The spelling of 2555845951988 in words is "two trillion, five hundred fifty-five billion, eight hundred forty-five million, nine hundred fifty-one thousand, nine hundred eighty-eight".