445004330 has 32 divisors (see below), whose sum is σ = 809827200. Its totient is φ = 176052672.

The previous prime is 445004327. The next prime is 445004363. The reversal of 445004330 is 33400544.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 445004296 and 445004305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540299 + ... + 541121.

It is an arithmetic number, because the mean of its divisors is an integer number (25307100).

Almost surely, 2^445004330 is an apocalyptic number.

445004330 is a deficient number, since it is larger than the sum of its proper divisors (364822870).

445004330 is a wasteful number, since it uses less digits than its factorization.

445004330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 445004330 is about 21095.1257403221. The cubic root of 445004330 is about 763.4631483844.

Adding to 445004330 its reverse (33400544), we get a palindrome (478404874).

The spelling of 445004330 in words is "four hundred forty-five million, four thousand, three hundred thirty".