2000400004 has 24 divisors (see below), whose sum is σ = 3588159456. Its totient is φ = 975240000.

The previous prime is 2000399993. The next prime is 2000400011. The reversal of 2000400004 is 4000040002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491779 + ... + 495829.

It is an arithmetic number, because the mean of its divisors is an integer number (149506644).

Almost surely, 2^2000400004 is an apocalyptic number.

It is an amenable number.

2000400004 is a deficient number, since it is larger than the sum of its proper divisors (1587759452).

2000400004 is a wasteful number, since it uses less digits than its factorization.

2000400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107 (or 7105 counting only the distinct ones).

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

The square root of 2000400004 is about 44725.8315070832. The cubic root of 2000400004 is about 1260.0050398723.

Adding to 2000400004 its reverse (4000040002), we get a palindrome (6000440006).

The spelling of 2000400004 in words is "two billion, four hundred thousand, four".