4001906992 has 10 divisors (see below), whose sum is σ = 7753694828. Its totient is φ = 2000953488.

The previous prime is 4001906989. The next prime is 4001906999. The reversal of 4001906992 is 2996091004.

It is not an unprimeable number, because it can be changed into a prime (4001906999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125059578 + ... + 125059609.

Almost surely, 2^4001906992 is an apocalyptic number.

It is an amenable number.

4001906992 is a deficient number, since it is larger than the sum of its proper divisors (3751787836).

4001906992 is a wasteful number, since it uses less digits than its factorization.

4001906992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250119195 (or 250119189 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 4001906992 is about 63260.6275024205. The cubic root of 4001906992 is about 1587.6532753157.

Adding to 4001906992 its reverse (2996091004), we get a palindrome (6997997996).

The spelling of 4001906992 in words is "four billion, one million, nine hundred six thousand, nine hundred ninety-two".