445451406580444 has 24 divisors (see below), whose sum is σ = 862384797380736. Its totient is φ = 199626110502000.

The previous prime is 445451406580441. The next prime is 445451406580451. The reversal of 445451406580444 is 444085604154544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445451406580441) 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, 71295036342 + ... + 71295042589.

It is an arithmetic number, because the mean of its divisors is an integer number (35932699890864).

Almost surely, 2^{445451406580444} is an apocalyptic number.

445451406580444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445451406580444 is a deficient number, since it is larger than the sum of its proper divisors (416933390800292).

445451406580444 is a wasteful number, since it uses less digits than its factorization.

445451406580444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142590079017 (or 142590079015 counting only the distinct ones).

The product of its (nonzero) digits is 98304000, while the sum is 58.

The spelling of 445451406580444 in words is "four hundred forty-five trillion, four hundred fifty-one billion, four hundred six million, five hundred eighty thousand, four hundred forty-four".