2057645748 has 24 divisors (see below), whose sum is σ = 4818513952. Its totient is φ = 683404704.

The previous prime is 2057645701. The next prime is 2057645767. The reversal of 2057645748 is 8475467502.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2057645697 and 2057645706.

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 7 ways as a sum of consecutive naturals, for example, 306190 + ... + 312837.

Almost surely, 2^2057645748 is an apocalyptic number.

It is an amenable number.

2057645748 is an abundant number, since it is smaller than the sum of its proper divisors (2760868204).

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

2057645748 is a wasteful number, since it uses less digits than its factorization.

2057645748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619311 (or 619309 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The square root of 2057645748 is about 45361.2802729376. The cubic root of 2057645748 is about 1271.9114268257.

The spelling of 2057645748 in words is "two billion, fifty-seven million, six hundred forty-five thousand, seven hundred forty-eight".