4008813656 has 16 divisors (see below), whose sum is σ = 7958674440. Its totient is φ = 1886500480.

The previous prime is 4008813649. The next prime is 4008813659. The reversal of 4008813656 is 6563188004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4008813659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14738150 + ... + 14738421.

Almost surely, 2^4008813656 is an apocalyptic number.

It is an amenable number.

4008813656 is a deficient number, since it is larger than the sum of its proper divisors (3949860784).

4008813656 is a wasteful number, since it uses less digits than its factorization.

4008813656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29476594 (or 29476590 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 4008813656 is about 63315.1929318706. The cubic root of 4008813656 is about 1588.5660972615.

The spelling of 4008813656 in words is "four billion, eight million, eight hundred thirteen thousand, six hundred fifty-six".