444662304228 has 18 divisors (see below), whose sum is σ = 1124007491334. Its totient is φ = 148220768064.

The previous prime is 444662304221. The next prime is 444662304257. The reversal of 444662304228 is 822403266444.

It can be written as a sum of positive squares in only one way, i.e., 391265262144 + 53397042084 = 625512^2 + 231078^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (444662304221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6175865301 + ... + 6175865372.

Almost surely, 2^444662304228 is an apocalyptic number.

It is an amenable number.

444662304228 is an abundant number, since it is smaller than the sum of its proper divisors (679345187106).

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

444662304228 is a wasteful number, since it uses less digits than its factorization.

444662304228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12351730683 (or 12351730678 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 45.

The spelling of 444662304228 in words is "four hundred forty-four billion, six hundred sixty-two million, three hundred four thousand, two hundred twenty-eight".