1044481872 has 40 divisors (see below), whose sum is σ = 3083709376. Its totient is φ = 298423296.

The previous prime is 1044481859. The next prime is 1044481901. The reversal of 1044481872 is 2781844401.

It is a self number, because there is not a number n which added to its sum of digits gives 1044481872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553953 + ... + 1554624.

Almost surely, 2^1044481872 is an apocalyptic number.

1044481872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1044481872 is an abundant number, since it is smaller than the sum of its proper divisors (2039227504).

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

1044481872 is a wasteful number, since it uses less digits than its factorization.

1044481872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108595 (or 3108589 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 1044481872 is about 32318.4447645613. Note that the first 3 decimals coincide. The cubic root of 1044481872 is about 1014.6127190174.

The spelling of 1044481872 in words is "one billion, forty-four million, four hundred eighty-one thousand, eight hundred seventy-two".