1441872784 has 45 divisors (see below), whose sum is σ = 3074244859. Its totient is φ = 654637280.

The previous prime is 1441872781. The next prime is 1441872787. The reversal of 1441872784 is 4872781441.

It is a happy number.

The square root of 1441872784 is 37972.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (1441872781) and next prime (1441872787).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1441872781) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1670337 + ... + 1671199.

Almost surely, 2^1441872784 is an apocalyptic number.

1441872784 is the 37972-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1441872784

1441872784 is an abundant number, since it is smaller than the sum of its proper divisors (1632372075).

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

1441872784 is an frugal number, since it uses more digits than its factorization.

1441872784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 876 counting only the distinct ones).

The product of its digits is 401408, while the sum is 46.

The cubic root of 1441872784 is about 1129.7325662578.

It can be divided in two parts, 1441 and 872784, that added together give a square (874225 = 935²).

The spelling of 1441872784 in words is "one billion, four hundred forty-one million, eight hundred seventy-two thousand, seven hundred eighty-four".