2557027220 has 48 divisors (see below), whose sum is σ = 6166238400. Its totient is φ = 880888320.

The previous prime is 2557027189. The next prime is 2557027223. The reversal of 2557027220 is 227207552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557027223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301685 + ... + 310044.

It is an arithmetic number, because the mean of its divisors is an integer number (128463300).

Almost surely, 2^2557027220 is an apocalyptic number.

2557027220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2557027220 is an abundant number, since it is smaller than the sum of its proper divisors (3609211180).

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

2557027220 is a wasteful number, since it uses less digits than its factorization.

2557027220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611768 (or 611766 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 2557027220 is about 50567.0566673600. The cubic root of 2557027220 is about 1367.4510332534.

The spelling of 2557027220 in words is "two billion, five hundred fifty-seven million, twenty-seven thousand, two hundred twenty".