4040668001 has 16 divisors (see below), whose sum is σ = 4341786624. Its totient is φ = 3746851584.

The previous prime is 4040667997. The next prime is 4040668013. The reversal of 4040668001 is 1008660404.

It is a cyclic number.

It is not a de Polignac number, because 4040668001 - 2² = 4040667997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040668301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536675 + ... + 544151.

It is an arithmetic number, because the mean of its divisors is an integer number (271361664).

Almost surely, 2^4040668001 is an apocalyptic number.

It is an amenable number.

4040668001 is a deficient number, since it is larger than the sum of its proper divisors (301118623).

4040668001 is a wasteful number, since it uses less digits than its factorization.

4040668001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4040668001 is about 63566.2489140267. The cubic root of 4040668001 is about 1592.7626247406.

The spelling of 4040668001 in words is "four billion, forty million, six hundred sixty-eight thousand, one".