5657909880 has 128 divisors (see below), whose sum is σ = 19413665280. Its totient is φ = 1292229120.

The previous prime is 5657909879. The next prime is 5657909899. The reversal of 5657909880 is 889097565.

It is a super-2 number, since 2×5657909880² = 64023888420403228800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5657909880.

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 31 ways as a sum of consecutive naturals, for example, 1877575 + ... + 1880585.

It is an arithmetic number, because the mean of its divisors is an integer number (151669260).

Almost surely, 2^5657909880 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 5657909880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9706832640).

5657909880 is an abundant number, since it is smaller than the sum of its proper divisors (13755755400).

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

5657909880 is a wasteful number, since it uses less digits than its factorization.

5657909880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269 (or 5265 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 57.

The square root of 5657909880 is about 75219.0792286106. The cubic root of 5657909880 is about 1781.9082636452.

The spelling of 5657909880 in words is "five billion, six hundred fifty-seven million, nine hundred nine thousand, eight hundred eighty".