444535423063650 has 144 divisors (see below), whose sum is σ = 1236691063670400. Its totient is φ = 114344935044480.

The previous prime is 444535423063609. The next prime is 444535423063651. The reversal of 444535423063650 is 56360324535444.

444535423063650 is a `hidden beast` number, since 4 + 4 + 4 + 5 + 3 + 542 + 30 + 6 + 3 + 65 + 0 = 666.

It is a super-2 number, since 2×444535423063650² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444535423063651) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2833744 + ... + 29951643.

It is an arithmetic number, because the mean of its divisors is an integer number (8588132386600).

Almost surely, 2^{444535423063650} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444535423063650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618345531835200).

444535423063650 is an abundant number, since it is smaller than the sum of its proper divisors (792155640606750).

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

444535423063650 is a wasteful number, since it uses less digits than its factorization.

444535423063650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32786473 (or 32786465 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 54.

The spelling of 444535423063650 in words is "four hundred forty-four trillion, five hundred thirty-five billion, four hundred twenty-three million, sixty-three thousand, six hundred fifty".