4057052728 has 16 divisors (see below), whose sum is σ = 7635901680. Its totient is φ = 2020812288.

The previous prime is 4057052687. The next prime is 4057052761. The reversal of 4057052728 is 8272507504.

It is a happy number.

It is a super-3 number, since 3×4057052728³ (a number of 30 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 962025 + ... + 966232.

It is an arithmetic number, because the mean of its divisors is an integer number (477243855).

Almost surely, 2^4057052728 is an apocalyptic number.

It is an amenable number.

4057052728 is a deficient number, since it is larger than the sum of its proper divisors (3578848952).

4057052728 is a wasteful number, since it uses less digits than its factorization.

4057052728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928526 (or 1928522 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 4057052728 is about 63694.9976685768. The cubic root of 4057052728 is about 1594.9125816287.

The spelling of 4057052728 in words is "four billion, fifty-seven million, fifty-two thousand, seven hundred twenty-eight".