445004124112 has 20 divisors (see below), whose sum is σ = 862244715460. Its totient is φ = 222489358848.

The previous prime is 445004124109. The next prime is 445004124139. The reversal of 445004124112 is 211421400544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 419520471616 + 25483652496 = 647704^2 + 159636^2 .

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, 501687 + ... + 1068502.

It is an arithmetic number, because the mean of its divisors is an integer number (43112235773).

Almost surely, 2^445004124112 is an apocalyptic number.

It is an amenable number.

445004124112 is a deficient number, since it is larger than the sum of its proper divisors (417240591348).

445004124112 is a wasteful number, since it uses less digits than its factorization.

445004124112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587910 (or 1587904 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 445004124112 its reverse (211421400544), we get a palindrome (656425524656).

The spelling of 445004124112 in words is "four hundred forty-five billion, four million, one hundred twenty-four thousand, one hundred twelve".