4000660004 has 48 divisors (see below), whose sum is σ = 7832764800. Its totient is φ = 1772601600.

The previous prime is 4000659989. The next prime is 4000660033.

4000660004 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270842 + ... + 285230.

It is an arithmetic number, because the mean of its divisors is an integer number (163182600).

Almost surely, 2^4000660004 is an apocalyptic number.

4000660004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4000660004 is a deficient number, since it is larger than the sum of its proper divisors (3832104796).

4000660004 is a wasteful number, since it uses less digits than its factorization.

4000660004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564 (or 14562 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4000660004 is about 63250.7707779123. The cubic root of 4000660004 is about 1587.4883547537.

The spelling of 4000660004 in words is "four billion, six hundred sixty thousand, four".