2557792382 has 16 divisors (see below), whose sum is σ = 3854659200. Its totient is φ = 1272919968.

The previous prime is 2557792381. The next prime is 2557792387. The reversal of 2557792382 is 2832977552.

2557792382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2557792382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557792381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420668 + ... + 426704.

It is an arithmetic number, because the mean of its divisors is an integer number (240916200).

Almost surely, 2^2557792382 is an apocalyptic number.

2557792382 is a deficient number, since it is larger than the sum of its proper divisors (1296866818).

2557792382 is a wasteful number, since it uses less digits than its factorization.

2557792382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6995.

The product of its digits is 2116800, while the sum is 50.

The square root of 2557792382 is about 50574.6219165304. The cubic root of 2557792382 is about 1367.5874178292.

The spelling of 2557792382 in words is "two billion, five hundred fifty-seven million, seven hundred ninety-two thousand, three hundred eighty-two".