4020007868 has 6 divisors (see below), whose sum is σ = 7035013776. Its totient is φ = 2010003932.

The previous prime is 4020007861. The next prime is 4020007891. The reversal of 4020007868 is 8687000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020007861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502500980 + ... + 502500987.

It is an arithmetic number, because the mean of its divisors is an integer number (1172502296).

Almost surely, 2^4020007868 is an apocalyptic number.

It is an amenable number.

4020007868 is a deficient number, since it is larger than the sum of its proper divisors (3015005908).

4020007868 is a wasteful number, since it uses less digits than its factorization.

4020007868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005001971 (or 1005001969 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 4020007868 is about 63403.5319836364. The cubic root of 4020007868 is about 1590.0433604989.

The spelling of 4020007868 in words is "four billion, twenty million, seven thousand, eight hundred sixty-eight".