1044204380 has 48 divisors (see below), whose sum is σ = 2285816736. Its totient is φ = 400308480.

The previous prime is 1044204377. The next prime is 1044204437. The reversal of 1044204380 is 834024401.

It is a super-2 number, since 2×1044204380² = 2180725574422368800, 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 15 ways as a sum of consecutive naturals, for example, 39050 + ... + 60110.

It is an arithmetic number, because the mean of its divisors is an integer number (47621182).

Almost surely, 2^1044204380 is an apocalyptic number.

1044204380 is a gapful number since it is divisible by the number (10) 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 1044204380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142908368).

1044204380 is an abundant number, since it is smaller than the sum of its proper divisors (1241612356).

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

1044204380 is a wasteful number, since it uses less digits than its factorization.

1044204380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21174 (or 21172 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1044204380 is about 32314.1513891360. The cubic root of 1044204380 is about 1014.5228588813.

Adding to 1044204380 its reverse (834024401), we get a palindrome (1878228781).

The spelling of 1044204380 in words is "one billion, forty-four million, two hundred four thousand, three hundred eighty".