330421340 has 24 divisors (see below), whose sum is σ = 702248400. Its totient is φ = 130575488.

The previous prime is 330421321. The next prime is 330421349. The reversal of 330421340 is 43124033.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330421349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97865 + ... + 101184.

It is an arithmetic number, because the mean of its divisors is an integer number (29260350).

Almost surely, 2^330421340 is an apocalyptic number.

It is an amenable number.

330421340 is an abundant number, since it is smaller than the sum of its proper divisors (371827060).

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

330421340 is a wasteful number, since it uses less digits than its factorization.

330421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199141 (or 199139 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 330421340 is about 18177.4954270383. The cubic root of 330421340 is about 691.3363027406.

Adding to 330421340 its reverse (43124033), we get a palindrome (373545373).

The spelling of 330421340 in words is "three hundred thirty million, four hundred twenty-one thousand, three hundred forty".