445432234544 has 40 divisors (see below), whose sum is σ = 950803408080. Its totient is φ = 200464544000.

The previous prime is 445432234543. The next prime is 445432234547.

445432234544 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×445432234544² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 445432234495 and 445432234504.

It is not an unprimeable number, because it can be changed into a prime (445432234543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12511259 + ... + 12546810.

It is an arithmetic number, because the mean of its divisors is an integer number (23770085202).

Almost surely, 2^445432234544 is an apocalyptic number.

445432234544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445432234544 is an abundant number, since it is smaller than the sum of its proper divisors (505371173536).

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

445432234544 is a wasteful number, since it uses less digits than its factorization.

445432234544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25058189 (or 25058183 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 44.

It can be divided in two parts, 445432 and 234544, that added together give a palindrome (679976).

The spelling of 445432234544 in words is "four hundred forty-five billion, four hundred thirty-two million, two hundred thirty-four thousand, five hundred forty-four".