330340142440 has 192 divisors, whose sum is σ = 944548076160. Its totient is φ = 102817774080.

The previous prime is 330340142413. The next prime is 330340142441. The reversal of 330340142440 is 44241043033.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 330340142399 and 330340142408.

It is not an unprimeable number, because it can be changed into a prime (330340142441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15793029 + ... + 15813931.

It is an arithmetic number, because the mean of its divisors is an integer number (4919521230).

Almost surely, 2^330340142440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330340142440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472274038080).

330340142440 is an abundant number, since it is smaller than the sum of its proper divisors (614207933720).

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

330340142440 is a wasteful number, since it uses less digits than its factorization.

330340142440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21672 (or 21661 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 330340142440 its reverse (44241043033), we get a palindrome (374581185473).

The spelling of 330340142440 in words is "three hundred thirty billion, three hundred forty million, one hundred forty-two thousand, four hundred forty".