445220022544 has 20 divisors (see below), whose sum is σ = 941033229840. Its totient is φ = 202372737440.

The previous prime is 445220022491. The next prime is 445220022589.

It is a happy number.

445220022544 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264829434 + ... + 1264829785.

It is an arithmetic number, because the mean of its divisors is an integer number (47051661492).

Almost surely, 2^445220022544 is an apocalyptic number.

445220022544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445220022544 is an abundant number, since it is smaller than the sum of its proper divisors (495813207296).

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

445220022544 is a wasteful number, since it uses less digits than its factorization.

445220022544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529659238 (or 2529659232 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 34.

It can be divided in two parts, 4452200 and 22544, that added together give a palindrome (4474744).

The spelling of 445220022544 in words is "four hundred forty-five billion, two hundred twenty million, twenty-two thousand, five hundred forty-four".