330420440252 has 24 divisors (see below), whose sum is σ = 660945126240. Its totient is φ = 141586421760.

The previous prime is 330420440243. The next prime is 330420440257. The reversal of 330420440252 is 252044024033.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330420440257) 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, 749477 + ... + 1105692.

It is an arithmetic number, because the mean of its divisors is an integer number (27539380260).

Almost surely, 2^330420440252 is an apocalyptic number.

It is an amenable number.

330420440252 is an abundant number, since it is smaller than the sum of its proper divisors (330524685988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330420440252 is a wasteful number, since it uses less digits than its factorization.

330420440252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861541 (or 1861539 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 330420440252 its reverse (252044024033), we get a palindrome (582464464285).

The spelling of 330420440252 in words is "three hundred thirty billion, four hundred twenty million, four hundred forty thousand, two hundred fifty-two".