2057250840 has 64 divisors (see below), whose sum is σ = 6496588800. Its totient is φ = 519725952.

The previous prime is 2057250829. The next prime is 2057250841. The reversal of 2057250840 is 480527502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057250841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448872 + ... + 453431.

It is an arithmetic number, because the mean of its divisors is an integer number (101509200).

Almost surely, 2^2057250840 is an apocalyptic number.

2057250840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057250840 is an abundant number, since it is smaller than the sum of its proper divisors (4439337960).

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

2057250840 is a wasteful number, since it uses less digits than its factorization.

2057250840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902336 (or 902332 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 2057250840 is about 45356.9271445939. The cubic root of 2057250840 is about 1271.8300522523.

The spelling of 2057250840 in words is "two billion, fifty-seven million, two hundred fifty thousand, eight hundred forty".