2057245628 has 6 divisors (see below), whose sum is σ = 3600179856. Its totient is φ = 1028622812.

The previous prime is 2057245627. The next prime is 2057245637. The reversal of 2057245628 is 8265427502.

It is a super-2 number, since 2×2057245628² = 8464519147850228768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057245627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257155700 + ... + 257155707.

It is an arithmetic number, because the mean of its divisors is an integer number (600029976).

Almost surely, 2^2057245628 is an apocalyptic number.

It is an amenable number.

2057245628 is a deficient number, since it is larger than the sum of its proper divisors (1542934228).

2057245628 is a wasteful number, since it uses less digits than its factorization.

2057245628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514311411 (or 514311409 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 2057245628 is about 45356.8696891662. The cubic root of 2057245628 is about 1271.8289782002.

The spelling of 2057245628 in words is "two billion, fifty-seven million, two hundred forty-five thousand, six hundred twenty-eight".