1044605172 has 96 divisors (see below), whose sum is σ = 2729825280. Its totient is φ = 308689920.

The previous prime is 1044605131. The next prime is 1044605183. The reversal of 1044605172 is 2715064401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1053597 + ... + 1054587.

It is an arithmetic number, because the mean of its divisors is an integer number (28435680).

Almost surely, 2^1044605172 is an apocalyptic number.

1044605172 is a gapful number since it is divisible by the number (12) 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 1044605172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364912640).

1044605172 is an abundant number, since it is smaller than the sum of its proper divisors (1685220108).

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

1044605172 is a wasteful number, since it uses less digits than its factorization.

1044605172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1044605172 is about 32320.3522876840. The cubic root of 1044605172 is about 1014.6526421056.

Adding to 1044605172 its reverse (2715064401), we get a palindrome (3759669573).

The spelling of 1044605172 in words is "one billion, forty-four million, six hundred five thousand, one hundred seventy-two".