444281772 has 24 divisors (see below), whose sum is σ = 1130899392. Its totient is φ = 134630800.

The previous prime is 444281753. The next prime is 444281779. The reversal of 444281772 is 277182444.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 444281772.

It is not an unprimeable number, because it can be changed into a prime (444281779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682754 + ... + 1683017.

It is an arithmetic number, because the mean of its divisors is an integer number (47120808).

Almost surely, 2^444281772 is an apocalyptic number.

It is an amenable number.

444281772 is an abundant number, since it is smaller than the sum of its proper divisors (686617620).

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

444281772 is a wasteful number, since it uses less digits than its factorization.

444281772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365789 (or 3365787 counting only the distinct ones).

The product of its digits is 100352, while the sum is 39.

The square root of 444281772 is about 21077.9925989170. The cubic root of 444281772 is about 763.0497102751.

The spelling of 444281772 in words is "four hundred forty-four million, two hundred eighty-one thousand, seven hundred seventy-two".