445323323544 has 64 divisors (see below), whose sum is σ = 1214638087680. Its totient is φ = 134933136000.

The previous prime is 445323323507. The next prime is 445323323551.

445323323544 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 445323323496 and 445323323505.

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, 2781514 + ... + 2937254.

It is an arithmetic number, because the mean of its divisors is an integer number (18978720120).

Almost surely, 2^445323323544 is an apocalyptic number.

445323323544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445323323544 is an abundant number, since it is smaller than the sum of its proper divisors (769314764136).

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

445323323544 is a wasteful number, since it uses less digits than its factorization.

445323323544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166592 (or 166588 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 42.

It can be divided in two parts, 445323 and 323544, that added together give a palindrome (768867).

The spelling of 445323323544 in words is "four hundred forty-five billion, three hundred twenty-three million, three hundred twenty-three thousand, five hundred forty-four".