1057788256 has 24 divisors (see below), whose sum is σ = 2380024080. Its totient is φ = 453337728.

The previous prime is 1057788241. The next prime is 1057788287. The reversal of 1057788256 is 6528877501.

It is a super-2 number, since 2×1057788256² = 2237831989063043072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2360911 + ... + 2361358.

It is an arithmetic number, because the mean of its divisors is an integer number (99167670).

Almost surely, 2^1057788256 is an apocalyptic number.

1057788256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1057788256 is an abundant number, since it is smaller than the sum of its proper divisors (1322235824).

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

1057788256 is an equidigital number, since it uses as much as digits as its factorization.

1057788256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722286 (or 4722278 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 49.

The square root of 1057788256 is about 32523.6568669638. The cubic root of 1057788256 is about 1018.9031705860.

The spelling of 1057788256 in words is "one billion, fifty-seven million, seven hundred eighty-eight thousand, two hundred fifty-six".