2555840588 has 72 divisors (see below), whose sum is σ = 5602821840. Its totient is φ = 1013376000.

The previous prime is 2555840587. The next prime is 2555840597. The reversal of 2555840588 is 8850485552.

It is a super-2 number, since 2×2555840588² = 13064642222536371488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2555840587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190088 + ... + 203088.

It is an arithmetic number, because the mean of its divisors is an integer number (77816970).

Almost surely, 2^2555840588 is an apocalyptic number.

2555840588 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 2555840588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2801410920).

2555840588 is an abundant number, since it is smaller than the sum of its proper divisors (3046981252).

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

2555840588 is a wasteful number, since it uses less digits than its factorization.

2555840588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13095 (or 13086 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 50.

The square root of 2555840588 is about 50555.3220541616. The cubic root of 2555840588 is about 1367.2394708820.

The spelling of 2555840588 in words is "two billion, five hundred fifty-five million, eight hundred forty thousand, five hundred eighty-eight".