3200400004 has 6 divisors (see below), whose sum is σ = 5600700014. Its totient is φ = 1600200000.

The previous prime is 3200399987. The next prime is 3200400013. The reversal of 3200400004 is 4000040023.

It can be written as a sum of positive squares in only one way, i.e., 2407864900 + 792535104 = 49070^2 + 28152^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400049997 + ... + 400050004.

Almost surely, 2^3200400004 is an apocalyptic number.

It is an amenable number.

3200400004 is a deficient number, since it is larger than the sum of its proper divisors (2400300010).

3200400004 is a wasteful number, since it uses less digits than its factorization.

3200400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800100005 (or 800100003 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 3200400004 is about 56572.0779537043. The cubic root of 3200400004 is about 1473.6739980369.

Adding to 3200400004 its reverse (4000040023), we get a palindrome (7200440027).

The spelling of 3200400004 in words is "three billion, two hundred million, four hundred thousand, four".