4002068842 has 8 divisors (see below), whose sum is σ = 6003390816. Its totient is φ = 2000938572.

The previous prime is 4002068809. The next prime is 4002068881. The reversal of 4002068842 is 2488602004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4002068842² = 32033110032214441928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4002068798 and 4002068807.

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, 28893 + ... + 94015.

It is an arithmetic number, because the mean of its divisors is an integer number (750423852).

Almost surely, 2^4002068842 is an apocalyptic number.

4002068842 is a deficient number, since it is larger than the sum of its proper divisors (2001321974).

4002068842 is a wasteful number, since it uses less digits than its factorization.

4002068842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95852.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 4002068842 is about 63261.9067211857. The cubic root of 4002068842 is about 1587.6746782967.

The spelling of 4002068842 in words is "four billion, two million, sixty-eight thousand, eight hundred forty-two".