444743175428 has 12 divisors (see below), whose sum is σ = 778313096652. Its totient is φ = 222368004960.

The previous prime is 444743175427. The next prime is 444743175433. The reversal of 444743175428 is 824571347444.

It can be written as a sum of positive squares in 2 ways, for example, as 334896004804 + 109847170624 = 578702^2 + 331432^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 444743175428.

It is not an unprimeable number, because it can be changed into a prime (444743175427) 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, 605975 + ... + 1121022.

It is an arithmetic number, because the mean of its divisors is an integer number (64859424721).

Almost surely, 2^444743175428 is an apocalyptic number.

It is an amenable number.

444743175428 is a deficient number, since it is larger than the sum of its proper divisors (333569921224).

444743175428 is a wasteful number, since it uses less digits than its factorization.

444743175428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791382 (or 1791380 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 53.

The spelling of 444743175428 in words is "four hundred forty-four billion, seven hundred forty-three million, one hundred seventy-five thousand, four hundred twenty-eight".