445285582544 has 80 divisors (see below), whose sum is σ = 952460574336. Its totient is φ = 199983168000.

The previous prime is 445285582523. The next prime is 445285582603.

445285582544 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 445285582544.

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, 8631194 + ... + 8682630.

Almost surely, 2^445285582544 is an apocalyptic number.

445285582544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445285582544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476230287168).

445285582544 is an abundant number, since it is smaller than the sum of its proper divisors (507174991792).

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

445285582544 is a wasteful number, since it uses less digits than its factorization.

445285582544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52044 (or 52038 counting only the distinct ones).

The product of its digits is 40960000, while the sum is 56.

The spelling of 445285582544 in words is "four hundred forty-five billion, two hundred eighty-five million, five hundred eighty-two thousand, five hundred forty-four".