2004400011 has 16 divisors (see below), whose sum is σ = 2837782944. Its totient is φ = 1254088704.

The previous prime is 2004399941. The next prime is 2004400039. The reversal of 2004400011 is 1100044002.

It is not a de Polignac number, because 2004400011 - 2⁹ = 2004399499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2004400011.

It is not an unprimeable number, because it can be changed into a prime (2004400051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37666 + ... + 73671.

It is an arithmetic number, because the mean of its divisors is an integer number (177361434).

Almost surely, 2^2004400011 is an apocalyptic number.

2004400011 is a deficient number, since it is larger than the sum of its proper divisors (833382933).

2004400011 is a wasteful number, since it uses less digits than its factorization.

2004400011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111710.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2004400011 is about 44770.5261416481. The cubic root of 2004400011 is about 1260.8443175740.

Adding to 2004400011 its reverse (1100044002), we get a palindrome (3104444013).

The spelling of 2004400011 in words is "two billion, four million, four hundred thousand, eleven".