1441647872 has 144 divisors (see below), whose sum is σ = 3579125760. Its totient is φ = 565346304.

The previous prime is 1441647869. The next prime is 1441647929. The reversal of 1441647872 is 2787461441.

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, 1126529 + ... + 1127807.

It is an arithmetic number, because the mean of its divisors is an integer number (24855040).

Almost surely, 2^1441647872 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 1441647872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1789562880).

1441647872 is an abundant number, since it is smaller than the sum of its proper divisors (2137477888).

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

1441647872 is a wasteful number, since it uses less digits than its factorization.

1441647872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1342 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 1441647872 is about 37969.0383338846. The cubic root of 1441647872 is about 1129.6738223735.

The spelling of 1441647872 in words is "one billion, four hundred forty-one million, six hundred forty-seven thousand, eight hundred seventy-two".