4056509688 has 96 divisors (see below), whose sum is σ = 12869487360. Its totient is φ = 1053635520.

The previous prime is 4056509683. The next prime is 4056509719. The reversal of 4056509688 is 8869056504.

It is a self number, because there is not a number n which added to its sum of digits gives 4056509688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056509683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143856 + ... + 169727.

It is an arithmetic number, because the mean of its divisors is an integer number (134057160).

Almost surely, 2^4056509688 is an apocalyptic number.

It is an amenable number.

4056509688 is an abundant number, since it is smaller than the sum of its proper divisors (8812977672).

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

4056509688 is a wasteful number, since it uses less digits than its factorization.

4056509688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313617 (or 313606 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The square root of 4056509688 is about 63690.7347107882. The cubic root of 4056509688 is about 1594.8414183129.

The spelling of 4056509688 in words is "four billion, fifty-six million, five hundred nine thousand, six hundred eighty-eight".