2557940088 has 128 divisors (see below), whose sum is σ = 7411461120. Its totient is φ = 727080960.

The previous prime is 2557940087. The next prime is 2557940117. The reversal of 2557940088 is 8800497552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557940081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1646320 + ... + 1647872.

It is an arithmetic number, because the mean of its divisors is an integer number (57902040).

Almost surely, 2^2557940088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2557940088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3705730560).

2557940088 is an abundant number, since it is smaller than the sum of its proper divisors (4853521032).

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

2557940088 is a wasteful number, since it uses less digits than its factorization.

2557940088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 2557940088 is about 50576.0821732961. The cubic root of 2557940088 is about 1367.6137422200.

The spelling of 2557940088 in words is "two billion, five hundred fifty-seven million, nine hundred forty thousand, eighty-eight".