320133240240 has 80 divisors (see below), whose sum is σ = 1082632421376. Its totient is φ = 77608057600.

The previous prime is 320133240223. The next prime is 320133240293. The reversal of 320133240240 is 42042331023.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 320133240240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60628656 + ... + 60633935.

Almost surely, 2^320133240240 is an apocalyptic number.

320133240240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320133240240 is an abundant number, since it is smaller than the sum of its proper divisors (762499181136).

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

320133240240 is a wasteful number, since it uses less digits than its factorization.

320133240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121262618 (or 121262612 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 320133240240 its reverse (42042331023), we get a palindrome (362175571263).

The spelling of 320133240240 in words is "three hundred twenty billion, one hundred thirty-three million, two hundred forty thousand, two hundred forty".