330420545521 has 8 divisors (see below), whose sum is σ = 360497224224. Its totient is φ = 300350274720.

The previous prime is 330420545503. The next prime is 330420545557. The reversal of 330420545521 is 125545024033.

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

It is a cyclic number.

It is not a de Polignac number, because 330420545521 - 2⁵ = 330420545489 is a prime.

It is a super-2 number, since 2×330420545521² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330420545501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493836 + ... + 1700701.

It is an arithmetic number, because the mean of its divisors is an integer number (45062153028).

Almost surely, 2^330420545521 is an apocalyptic number.

It is an amenable number.

330420545521 is a deficient number, since it is larger than the sum of its proper divisors (30076678703).

330420545521 is a wasteful number, since it uses less digits than its factorization.

330420545521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203951.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 330420545521 its reverse (125545024033), we get a palindrome (455965569554).

The spelling of 330420545521 in words is "three hundred thirty billion, four hundred twenty million, five hundred forty-five thousand, five hundred twenty-one".