2057597856 has 384 divisors, whose sum is σ = 6847545600. Its totient is φ = 597196800.

The previous prime is 2057597831. The next prime is 2057597863. The reversal of 2057597856 is 6587957502.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20372206 + ... + 20372306.

It is an arithmetic number, because the mean of its divisors is an integer number (17832150).

Almost surely, 2^2057597856 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 2057597856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3423772800).

2057597856 is an abundant number, since it is smaller than the sum of its proper divisors (4789947744).

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

2057597856 is a wasteful number, since it uses less digits than its factorization.

2057597856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 54.

The square root of 2057597856 is about 45360.7523747127. The cubic root of 2057597856 is about 1271.9015587755.

The spelling of 2057597856 in words is "two billion, fifty-seven million, five hundred ninety-seven thousand, eight hundred fifty-six".