4000134404 has 18 divisors (see below), whose sum is σ = 8143131150. Its totient is φ = 1714343232.

The previous prime is 4000134389. The next prime is 4000134443. The reversal of 4000134404 is 4044310004.

4000134404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2550048004 + 1450086400 = 50498^2 + 38080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10204229 + ... + 10204620.

It is an arithmetic number, because the mean of its divisors is an integer number (452396175).

Almost surely, 2^4000134404 is an apocalyptic number.

It is an amenable number.

4000134404 is an abundant number, since it is smaller than the sum of its proper divisors (4142996746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4000134404 is a wasteful number, since it uses less digits than its factorization.

4000134404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20408867 (or 20408858 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4000134404 is about 63246.6157513586. The cubic root of 4000134404 is about 1587.4188311900.

Adding to 4000134404 its reverse (4044310004), we get a palindrome (8044444408).

The spelling of 4000134404 in words is "four billion, one hundred thirty-four thousand, four hundred four".