5000400008 has 36 divisors (see below), whose sum is σ = 9810139815. Its totient is φ = 2389295568.

The previous prime is 5000400007. The next prime is 5000400029. The reversal of 5000400008 is 8000040005.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 2500200004 + 2500200004 = 50002^2 + 50002^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=50002.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5000400001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4599641 + ... + 4600727.

Almost surely, 2^5000400008 is an apocalyptic number.

It is an amenable number.

5000400008 is a deficient number, since it is larger than the sum of its proper divisors (4809739807).

5000400008 is an equidigital number, since it uses as much as digits as its factorization.

5000400008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 5000400008 is about 70713.5065457795. The cubic root of 5000400008 is about 1710.0215457313.

The spelling of 5000400008 in words is "five billion, four hundred thousand, eight".