330440340 has 96 divisors (see below), whose sum is σ = 963728640. Its totient is φ = 84519936.

The previous prime is 330440321. The next prime is 330440353. The reversal of 330440340 is 43044033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161041 + ... + 163079.

It is an arithmetic number, because the mean of its divisors is an integer number (10038840).

Almost surely, 2^330440340 is an apocalyptic number.

330440340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330440340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481864320).

330440340 is an abundant number, since it is smaller than the sum of its proper divisors (633288300).

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

330440340 is a wasteful number, since it uses less digits than its factorization.

330440340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 330440340 is about 18178.0180437802. The cubic root of 330440340 is about 691.3495536381.

Adding to 330440340 its reverse (43044033), we get a palindrome (373484373).

The spelling of 330440340 in words is "three hundred thirty million, four hundred forty thousand, three hundred forty".