2057523140 has 12 divisors (see below), whose sum is σ = 4320798636. Its totient is φ = 823009248.

The previous prime is 2057523137. The next prime is 2057523173. The reversal of 2057523140 is 413257502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 793436224 + 1264086916 = 28168^2 + 35554^2 .

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 3 ways as a sum of consecutive naturals, for example, 51438059 + ... + 51438098.

It is an arithmetic number, because the mean of its divisors is an integer number (360066553).

Almost surely, 2^2057523140 is an apocalyptic number.

2057523140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057523140 is an abundant number, since it is smaller than the sum of its proper divisors (2263275496).

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

2057523140 is a wasteful number, since it uses less digits than its factorization.

2057523140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102876166 (or 102876164 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2057523140 is about 45359.9287918312. The cubic root of 2057523140 is about 1271.8861633883.

The spelling of 2057523140 in words is "two billion, fifty-seven million, five hundred twenty-three thousand, one hundred forty".