445324423544 has 64 divisors (see below), whose sum is σ = 1121096471040. Its totient is φ = 160156632960.

The previous prime is 445324423543. The next prime is 445324423553.

445324423544 is nontrivially palindromic in base 10.

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 = 445324423495 and 445324423504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445324423543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27796964 + ... + 27812979.

It is an arithmetic number, because the mean of its divisors is an integer number (17517132360).

Almost surely, 2^445324423544 is an apocalyptic number.

445324423544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445324423544 is an abundant number, since it is smaller than the sum of its proper divisors (675772047496).

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

445324423544 is a wasteful number, since it uses less digits than its factorization.

445324423544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55609980 (or 55609976 counting only the distinct ones).

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

It can be divided in two parts, 445324 and 423544, that added together give a palindrome (868868).

The spelling of 445324423544 in words is "four hundred forty-five billion, three hundred twenty-four million, four hundred twenty-three thousand, five hundred forty-four".