4063920856 has 64 divisors (see below), whose sum is σ = 8270359200. Its totient is φ = 1864931328.

The previous prime is 4063920823. The next prime is 4063920857. The reversal of 4063920856 is 6580293604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4063920857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245355 + ... + 1248613.

Almost surely, 2^4063920856 is an apocalyptic number.

It is an amenable number.

4063920856 is an abundant number, since it is smaller than the sum of its proper divisors (4206438344).

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

4063920856 is a wasteful number, since it uses less digits than its factorization.

4063920856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508 (or 3504 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 4063920856 is about 63748.8890569867. The cubic root of 4063920856 is about 1595.8120759967.

The spelling of 4063920856 in words is "four billion, sixty-three million, nine hundred twenty thousand, eight hundred fifty-six".