2044405500 has 48 divisors (see below), whose sum is σ = 5953313184. Its totient is φ = 545174400.

The previous prime is 2044405457. The next prime is 2044405507. The reversal of 2044405500 is 55044402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044405507) 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, 679969 + ... + 682968.

It is an arithmetic number, because the mean of its divisors is an integer number (124027358).

Almost surely, 2^2044405500 is an apocalyptic number.

2044405500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044405500 is an abundant number, since it is smaller than the sum of its proper divisors (3908907684).

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

2044405500 is a wasteful number, since it uses less digits than its factorization.

2044405500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362959 (or 1362947 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 2044405500 is about 45215.1025654040. The cubic root of 2044405500 is about 1269.1774490562.

Adding to 2044405500 its reverse (55044402), we get a palindrome (2099449902).

The spelling of 2044405500 in words is "two billion, forty-four million, four hundred five thousand, five hundred".