445083805644 has 192 divisors, whose sum is σ = 1162986854400. Its totient is φ = 131827433472.

The previous prime is 445083805633. The next prime is 445083805651. The reversal of 445083805644 is 446508380544.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67362189 + ... + 67368795.

It is an arithmetic number, because the mean of its divisors is an integer number (6057223200).

Almost surely, 2^445083805644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445083805644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581493427200).

445083805644 is an abundant number, since it is smaller than the sum of its proper divisors (717903048756).

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

445083805644 is a wasteful number, since it uses less digits than its factorization.

445083805644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912 (or 6910 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 51.

The spelling of 445083805644 in words is "four hundred forty-five billion, eighty-three million, eight hundred five thousand, six hundred forty-four".