2057516460 has 288 divisors, whose sum is σ = 7126479360. Its totient is φ = 477259776.

The previous prime is 2057516453. The next prime is 2057516471. The reversal of 2057516460 is 646157502.

It is a happy number.

2057516460 is a `hidden beast` number, since 2 + 0 + 5 + 7 + 5 + 1 + 646 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 95 ways as a sum of consecutive naturals, for example, 2499609 + ... + 2500431.

It is an arithmetic number, because the mean of its divisors is an integer number (24744720).

Almost surely, 2^2057516460 is an apocalyptic number.

2057516460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2057516460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3563239680).

2057516460 is an abundant number, since it is smaller than the sum of its proper divisors (5068962900).

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

2057516460 is a wasteful number, since it uses less digits than its factorization.

2057516460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2057516460 is about 45359.8551584989. The cubic root of 2057516460 is about 1271.8847869422.

The spelling of 2057516460 in words is "two billion, fifty-seven million, five hundred sixteen thousand, four hundred sixty".