445204012 has 36 divisors (see below), whose sum is σ = 869218840. Its totient is φ = 199330560.

The previous prime is 445203959. The next prime is 445204013. The reversal of 445204012 is 210402544.

It is a happy number.

It is a super-2 number, since 2×445204012² = 396413224601792288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (445204013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25564 + ... + 39292.

Almost surely, 2^445204012 is an apocalyptic number.

It is an amenable number.

445204012 is a deficient number, since it is larger than the sum of its proper divisors (424014828).

445204012 is a wasteful number, since it uses less digits than its factorization.

445204012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13822 (or 13809 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 445204012 is about 21099.8581037883. The cubic root of 445204012 is about 763.5773248403.

Adding to 445204012 its reverse (210402544), we get a palindrome (655606556).

The spelling of 445204012 in words is "four hundred forty-five million, two hundred four thousand, twelve".