445226273324 has 72 divisors (see below), whose sum is σ = 915831001008. Its totient is φ = 188818089600.

The previous prime is 445226273309. The next prime is 445226273411. The reversal of 445226273324 is 423372622544.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43803467 + ... + 43813629.

It is an arithmetic number, because the mean of its divisors is an integer number (12719875014).

Almost surely, 2^445226273324 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 445226273324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457915500504).

445226273324 is an abundant number, since it is smaller than the sum of its proper divisors (470604727684).

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

445226273324 is a wasteful number, since it uses less digits than its factorization.

445226273324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12495 (or 12486 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 44.

Adding to 445226273324 its reverse (423372622544), we get a palindrome (868598895868).

The spelling of 445226273324 in words is "four hundred forty-five billion, two hundred twenty-six million, two hundred seventy-three thousand, three hundred twenty-four".