2044785400 has 96 divisors (see below), whose sum is σ = 5487461280. Its totient is φ = 694080000.

The previous prime is 2044785397. The next prime is 2044785461. The reversal of 2044785400 is 45874402.

It is a happy number.

It is a super-2 number, since 2×2044785400² = 8362294664106320000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134170 + ... + 148630.

It is an arithmetic number, because the mean of its divisors is an integer number (57161055).

Almost surely, 2^2044785400 is an apocalyptic number.

2044785400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2044785400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2743730640).

2044785400 is an abundant number, since it is smaller than the sum of its proper divisors (3442675880).

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

2044785400 is a wasteful number, since it uses less digits than its factorization.

2044785400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14585 (or 14576 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 2044785400 is about 45219.3034002073. The cubic root of 2044785400 is about 1269.2560588119.

The spelling of 2044785400 in words is "two billion, forty-four million, seven hundred eighty-five thousand, four hundred".