4057694656 has 56 divisors (see below), whose sum is σ = 8505204224. Its totient is φ = 1917699840.

The previous prime is 4057694647. The next prime is 4057694671. The reversal of 4057694656 is 6564967504.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61531 + ... + 109093.

Almost surely, 2^4057694656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4057694656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4252602112).

4057694656 is an abundant number, since it is smaller than the sum of its proper divisors (4447509568).

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

4057694656 is a wasteful number, since it uses less digits than its factorization.

4057694656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47649 (or 47639 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The square root of 4057694656 is about 63700.0365463003. The cubic root of 4057694656 is about 1594.9966956493.

The spelling of 4057694656 in words is "four billion, fifty-seven million, six hundred ninety-four thousand, six hundred fifty-six".