1044431312 has 40 divisors (see below), whose sum is σ = 2149556616. Its totient is φ = 489906176.

The previous prime is 1044431293. The next prime is 1044431327. The reversal of 1044431312 is 2131344401.

It can be written as a sum of positive squares in 4 ways, for example, as 29116816 + 1015314496 = 5396^2 + 31864^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80168 + ... + 92280.

Almost surely, 2^1044431312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044431312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074778308).

1044431312 is an abundant number, since it is smaller than the sum of its proper divisors (1105125304).

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

1044431312 is a wasteful number, since it uses less digits than its factorization.

1044431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455 (or 12449 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1044431312 is about 32317.6625392370. The cubic root of 1044431312 is about 1014.5963473763.

Adding to 1044431312 its reverse (2131344401), we get a palindrome (3175775713).

The spelling of 1044431312 in words is "one billion, forty-four million, four hundred thirty-one thousand, three hundred twelve".