4002682868 has 6 divisors (see below), whose sum is σ = 7004695026. Its totient is φ = 2001341432.

The previous prime is 4002682837. The next prime is 4002682883. The reversal of 4002682868 is 8682862004.

It can be written as a sum of positive squares in only one way, i.e., 3404489104 + 598193764 = 58348^2 + 24458^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500335355 + ... + 500335362.

It is an arithmetic number, because the mean of its divisors is an integer number (1167449171).

Almost surely, 2^4002682868 is an apocalyptic number.

It is an amenable number.

4002682868 is a deficient number, since it is larger than the sum of its proper divisors (3002012158).

4002682868 is a wasteful number, since it uses less digits than its factorization.

4002682868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000670721 (or 1000670719 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 4002682868 is about 63266.7595819479. The cubic root of 4002682868 is about 1587.7558716093.

The spelling of 4002682868 in words is "four billion, two million, six hundred eighty-two thousand, eight hundred sixty-eight".