445663396 has 24 divisors (see below), whose sum is σ = 790272000. Its totient is φ = 219885312.

The previous prime is 445663369. The next prime is 445663417. The reversal of 445663396 is 693366544.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147105 + ... + 150103.

It is an arithmetic number, because the mean of its divisors is an integer number (32928000).

Almost surely, 2^445663396 is an apocalyptic number.

It is an amenable number.

445663396 is a deficient number, since it is larger than the sum of its proper divisors (344608604).

445663396 is a wasteful number, since it uses less digits than its factorization.

445663396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483 (or 3481 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 46.

The square root of 445663396 is about 21110.7412470524. The cubic root of 445663396 is about 763.8398671177.

The spelling of 445663396 in words is "four hundred forty-five million, six hundred sixty-three thousand, three hundred ninety-six".