2044200400 has 60 divisors (see below), whose sum is σ = 5357674944. Its totient is φ = 743344000.

The previous prime is 2044200391. The next prime is 2044200413. The reversal of 2044200400 is 40024402.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 227896 + ... + 236695.

Almost surely, 2^2044200400 is an apocalyptic number.

2044200400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044200400 is an abundant number, since it is smaller than the sum of its proper divisors (3313474544).

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

2044200400 is a wasteful number, since it uses less digits than its factorization.

2044200400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464620 (or 464609 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2044200400 is about 45212.8344610244. The cubic root of 2044200400 is about 1269.1350052586.

Adding to 2044200400 its reverse (40024402), we get a palindrome (2084224802).

The spelling of 2044200400 in words is "two billion, forty-four million, two hundred thousand, four hundred".