445604406544 has 20 divisors (see below), whose sum is σ = 941845677840. Its totient is φ = 202547457440.

The previous prime is 445604406509. The next prime is 445604406547.

445604406544 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 445604406494 and 445604406503.

It is not an unprimeable number, because it can be changed into a prime (445604406547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265921434 + ... + 1265921785.

It is an arithmetic number, because the mean of its divisors is an integer number (47092283892).

Almost surely, 2^445604406544 is an apocalyptic number.

445604406544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445604406544 is an abundant number, since it is smaller than the sum of its proper divisors (496241271296).

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

445604406544 is a wasteful number, since it uses less digits than its factorization.

445604406544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531843238 (or 2531843232 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 46.

The spelling of 445604406544 in words is "four hundred forty-five billion, six hundred four million, four hundred six thousand, five hundred forty-four".