240001243320 has 128 divisors (see below), whose sum is σ = 725074721280. Its totient is φ = 63550656000.

The previous prime is 240001243319. The next prime is 240001243333. The reversal of 240001243320 is 23342100042.

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, 15000525 + ... + 15016515.

It is an arithmetic number, because the mean of its divisors is an integer number (5664646260).

Almost surely, 2^240001243320 is an apocalyptic number.

240001243320 is a gapful number since it is divisible by the number (20) 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 240001243320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362537360640).

240001243320 is an abundant number, since it is smaller than the sum of its proper divisors (485073477960).

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

240001243320 is a wasteful number, since it uses less digits than its factorization.

240001243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16877 (or 16873 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 240001243320 its reverse (23342100042), we get a palindrome (263343343362).

The spelling of 240001243320 in words is "two hundred forty billion, one million, two hundred forty-three thousand, three hundred twenty".