4002873656 has 16 divisors (see below), whose sum is σ = 7509139440. Its totient is φ = 2000436480.

The previous prime is 4002873649. The next prime is 4002873689. The reversal of 4002873656 is 6563782004.

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 3 ways as a sum of consecutive naturals, for example, 107900 + ... + 140171.

It is an arithmetic number, because the mean of its divisors is an integer number (469321215).

Almost surely, 2^4002873656 is an apocalyptic number.

It is an amenable number.

4002873656 is a deficient number, since it is larger than the sum of its proper divisors (3506265784).

4002873656 is a wasteful number, since it uses less digits than its factorization.

4002873656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250094 (or 250090 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 4002873656 is about 63268.2673699857. The cubic root of 4002873656 is about 1587.7810980190.

The spelling of 4002873656 in words is "four billion, two million, eight hundred seventy-three thousand, six hundred fifty-six".