445320412 has 12 divisors (see below), whose sum is σ = 779670360. Its totient is φ = 222557456.

The previous prime is 445320383. The next prime is 445320467. The reversal of 445320412 is 214023544.

It is a happy number.

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, 15487 + ... + 33622.

It is an arithmetic number, because the mean of its divisors is an integer number (64972530).

Almost surely, 2^445320412 is an apocalyptic number.

It is an amenable number.

445320412 is a deficient number, since it is larger than the sum of its proper divisors (334349948).

445320412 is a wasteful number, since it uses less digits than its factorization.

445320412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51380 (or 51378 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 445320412 is about 21102.6162359078. The cubic root of 445320412 is about 763.6438656121.

Adding to 445320412 its reverse (214023544), we get a palindrome (659343956).

The spelling of 445320412 in words is "four hundred forty-five million, three hundred twenty thousand, four hundred twelve".