2044004002400 has 72 divisors (see below), whose sum is σ = 5105969618904. Its totient is φ = 798587596800.

The previous prime is 2044004002393. The next prime is 2044004002421. The reversal of 2044004002400 is 42004004402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29674961 + ... + 29743760.

It is an arithmetic number, because the mean of its divisors is an integer number (70916244707).

Almost surely, 2^{2044004002400} is an apocalyptic number.

2044004002400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044004002400 is an abundant number, since it is smaller than the sum of its proper divisors (3061965616504).

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

2044004002400 is a wasteful number, since it uses less digits than its factorization.

2044004002400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59418784 (or 59418771 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2044004002400 its reverse (42004004402), we get a palindrome (2086008006802).

It can be divided in two parts, 2044004002 and 400, that added together give a palindrome (2044004402).

The spelling of 2044004002400 in words is "two trillion, forty-four billion, four million, two thousand, four hundred".