4049479756 has 18 divisors (see below), whose sum is σ = 8243584188. Its totient is φ = 1735491240.

The previous prime is 4049479739. The next prime is 4049479769. The reversal of 4049479756 is 6579749404.

It is a junction number, because it is equal to n+sod(n) for n = 4049479697 and 4049479706.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10330110 + ... + 10330501.

Almost surely, 2^4049479756 is an apocalyptic number.

It is an amenable number.

4049479756 is an abundant number, since it is smaller than the sum of its proper divisors (4194104432).

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

4049479756 is a wasteful number, since it uses less digits than its factorization.

4049479756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20660629 (or 20660620 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The square root of 4049479756 is about 63635.5227526261. The cubic root of 4049479756 is about 1593.9195987840.

The spelling of 4049479756 in words is "four billion, forty-nine million, four hundred seventy-nine thousand, seven hundred fifty-six".