445042531244 has 24 divisors (see below), whose sum is σ = 816374117328. Its totient is φ = 212045218560.

The previous prime is 445042531229. The next prime is 445042531247. The reversal of 445042531244 is 442135240544.

It is a junction number, because it is equal to n+sod(n) for n = 445042531198 and 445042531207.

It is not an unprimeable number, because it can be changed into a prime (445042531247) 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, 31547297 + ... + 31561400.

It is an arithmetic number, because the mean of its divisors is an integer number (34015588222).

Almost surely, 2^445042531244 is an apocalyptic number.

It is an amenable number.

445042531244 is a deficient number, since it is larger than the sum of its proper divisors (371331586084).

445042531244 is a wasteful number, since it uses less digits than its factorization.

445042531244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63108785 (or 63108783 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 445042531244 its reverse (442135240544), we get a palindrome (887177771788).

The spelling of 445042531244 in words is "four hundred forty-five billion, forty-two million, five hundred thirty-one thousand, two hundred forty-four".