4057685636 has 12 divisors (see below), whose sum is σ = 7101449628. Its totient is φ = 2028700032.

The previous prime is 4057685627. The next prime is 4057685641. The reversal of 4057685636 is 6365867504.

It can be written as a sum of positive squares in 2 ways, for example, as 2860110400 + 1197575236 = 53480^2 + 34606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52400 + ... + 104216.

It is an arithmetic number, because the mean of its divisors is an integer number (591787469).

Almost surely, 2^4057685636 is an apocalyptic number.

It is an amenable number.

4057685636 is a deficient number, since it is larger than the sum of its proper divisors (3043763992).

4057685636 is a wasteful number, since it uses less digits than its factorization.

4057685636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71398 (or 71396 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The square root of 4057685636 is about 63699.9657456737. The cubic root of 4057685636 is about 1594.9955137893.

The spelling of 4057685636 in words is "four billion, fifty-seven million, six hundred eighty-five thousand, six hundred thirty-six".