330420445 has 8 divisors (see below), whose sum is σ = 396687960. Its totient is φ = 264214080.

The previous prime is 330420437. The next prime is 330420451. The reversal of 330420445 is 544024033.

It can be written as a sum of positive squares in 4 ways, for example, as 2013561 + 328406884 = 1419^2 + 18122^2 .

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

It is not a de Polignac number, because 330420445 - 2³ = 330420437 is a prime.

It is a congruent number.

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, 2410 + ... + 25819.

It is an arithmetic number, because the mean of its divisors is an integer number (49585995).

Almost surely, 2^330420445 is an apocalyptic number.

It is an amenable number.

330420445 is a deficient number, since it is larger than the sum of its proper divisors (66267515).

330420445 is a wasteful number, since it uses less digits than its factorization.

330420445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30575.

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

The square root of 330420445 is about 18177.4708086686. The cubic root of 330420445 is about 691.3356785410.

Adding to 330420445 its reverse (544024033), we get a palindrome (874444478).

The spelling of 330420445 in words is "three hundred thirty million, four hundred twenty thousand, four hundred forty-five".