240340022440 has 32 divisors (see below), whose sum is σ = 618017201280. Its totient is φ = 82402293312.

The previous prime is 240340022413. The next prime is 240340022441. The reversal of 240340022440 is 44220043042.

It is not an unprimeable number, because it can be changed into a prime (240340022441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429178332 + ... + 429178891.

It is an arithmetic number, because the mean of its divisors is an integer number (19313037540).

Almost surely, 2^240340022440 is an apocalyptic number.

240340022440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240340022440 is an abundant number, since it is smaller than the sum of its proper divisors (377677178840).

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

240340022440 is a wasteful number, since it uses less digits than its factorization.

240340022440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858357241 (or 858357237 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 240340022440 its reverse (44220043042), we get a palindrome (284560065482).

The spelling of 240340022440 in words is "two hundred forty billion, three hundred forty million, twenty-two thousand, four hundred forty".