445051563225424 has 20 divisors (see below), whose sum is σ = 866664497175444. Its totient is φ = 221396209115648.

The previous prime is 445051563225407. The next prime is 445051563225433. The reversal of 445051563225424 is 424522365150544.

It can be written as a sum of positive squares in 2 ways, for example, as 326558149646400 + 118493413579024 = 18070920^2 + 10885468^2 .

It is a super-2 number, since 2×445051563225424² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70598277817 + ... + 70598284120.

Almost surely, 2^{445051563225424} is an apocalyptic number.

It is an amenable number.

445051563225424 is a deficient number, since it is larger than the sum of its proper divisors (421612933950020).

445051563225424 is a wasteful number, since it uses less digits than its factorization.

445051563225424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141196562142 (or 141196562136 counting only the distinct ones).

The product of its (nonzero) digits is 23040000, while the sum is 52.

The spelling of 445051563225424 in words is "four hundred forty-five trillion, fifty-one billion, five hundred sixty-three million, two hundred twenty-five thousand, four hundred twenty-four".