330021140240 has 120 divisors (see below), whose sum is σ = 845792912664. Its totient is φ = 119666483200.

The previous prime is 330021140231. The next prime is 330021140263. The reversal of 330021140240 is 42041120033.

It can be written as a sum of positive squares in 4 ways, for example, as 1627961104 + 328393179136 = 40348^2 + 573056^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3368750 + ... + 3465330.

Almost surely, 2^330021140240 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 330021140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422896456332).

330021140240 is an abundant number, since it is smaller than the sum of its proper divisors (515771772424).

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

330021140240 is a wasteful number, since it uses less digits than its factorization.

330021140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96969 (or 96952 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 330021140240 its reverse (42041120033), we get a palindrome (372062260273).

The spelling of 330021140240 in words is "three hundred thirty billion, twenty-one million, one hundred forty thousand, two hundred forty".