445326623544 has 64 divisors (see below), whose sum is σ = 1214656951680. Its totient is φ = 134933040000.

The previous prime is 445326623471. The next prime is 445326623557.

445326623544 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 445326623493 and 445326623502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2528679 + ... + 2699049.

It is an arithmetic number, because the mean of its divisors is an integer number (18979014870).

Almost surely, 2^445326623544 is an apocalyptic number.

445326623544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445326623544 is an abundant number, since it is smaller than the sum of its proper divisors (769330328136).

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

445326623544 is a wasteful number, since it uses less digits than its factorization.

445326623544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180292 (or 180288 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 48.

The spelling of 445326623544 in words is "four hundred forty-five billion, three hundred twenty-six million, six hundred twenty-three thousand, five hundred forty-four".