445240330 has 8 divisors (see below), whose sum is σ = 801432612. Its totient is φ = 178096128.

The previous prime is 445240307. The next prime is 445240331. The reversal of 445240330 is 33042544.

It can be written as a sum of positive squares in 2 ways, for example, as 433930561 + 11309769 = 20831^2 + 3363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 445240295 and 445240304.

It is not an unprimeable number, because it can be changed into a prime (445240331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22262007 + ... + 22262026.

Almost surely, 2^445240330 is an apocalyptic number.

445240330 is a deficient number, since it is larger than the sum of its proper divisors (356192282).

445240330 is a wasteful number, since it uses less digits than its factorization.

445240330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44524040.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 445240330 is about 21100.7187081388. The cubic root of 445240330 is about 763.5980874918.

Adding to 445240330 its reverse (33042544), we get a palindrome (478282874).

The spelling of 445240330 in words is "four hundred forty-five million, two hundred forty thousand, three hundred thirty".