444621607273172 has 48 divisors (see below), whose sum is σ = 904349076193920. Its totient is φ = 187315389499392.

The previous prime is 444621607273073. The next prime is 444621607273183. The reversal of 444621607273172 is 271372706126444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39092228 + ... + 49167524.

It is an arithmetic number, because the mean of its divisors is an integer number (18840605754040).

Almost surely, 2^{444621607273172} is an apocalyptic number.

It is an amenable number.

444621607273172 is an abundant number, since it is smaller than the sum of its proper divisors (459727468920748).

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

444621607273172 is a wasteful number, since it uses less digits than its factorization.

444621607273172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102080 (or 10102078 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 56.

The spelling of 444621607273172 in words is "four hundred forty-four trillion, six hundred twenty-one billion, six hundred seven million, two hundred seventy-three thousand, one hundred seventy-two".