445438834544 has 40 divisors (see below), whose sum is σ = 941670717312. Its totient is φ = 202434563520.

The previous prime is 445438834543. The next prime is 445438834567.

445438834544 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 445438834544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445438834541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725477 + ... + 1190459.

Almost surely, 2^445438834544 is an apocalyptic number.

445438834544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445438834544 is an abundant number, since it is smaller than the sum of its proper divisors (496231882768).

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

445438834544 is a wasteful number, since it uses less digits than its factorization.

445438834544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470445 (or 470439 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 56.

The spelling of 445438834544 in words is "four hundred forty-five billion, four hundred thirty-eight million, eight hundred thirty-four thousand, five hundred forty-four".