1444716764 has 12 divisors (see below), whose sum is σ = 2531048184. Its totient is φ = 721560144.

The previous prime is 1444716761. The next prime is 1444716781. The reversal of 1444716764 is 4676174441.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444716761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195479 + ... + 202734.

It is an arithmetic number, because the mean of its divisors is an integer number (210920682).

Almost surely, 2^1444716764 is an apocalyptic number.

It is an amenable number.

1444716764 is a deficient number, since it is larger than the sum of its proper divisors (1086331420).

1444716764 is a wasteful number, since it uses less digits than its factorization.

1444716764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399124 (or 399122 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 1444716764 is about 38009.4299352148. The cubic root of 1444716764 is about 1130.4748478122.

The spelling of 1444716764 in words is "one billion, four hundred forty-four million, seven hundred sixteen thousand, seven hundred sixty-four".