400000020000004 has 12 divisors (see below), whose sum is σ = 701164760520028. Its totient is φ = 199667231280000.

The previous prime is 400000019999981. The next prime is 400000020000023.

400000020000004 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 336359194649604 + 63640825350400 = 18340098^2 + 7977520^2 .

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, 83194677297 + ... + 83194682104.

Almost surely, 2^{400000020000004} is an apocalyptic number.

It is an amenable number.

400000020000004 is a deficient number, since it is larger than the sum of its proper divisors (301164740520024).

400000020000004 is a wasteful number, since it uses less digits than its factorization.

400000020000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166389360006 (or 166389360004 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The spelling of 400000020000004 in words is "four hundred trillion, twenty million, four", and thus it is an aban number.