240222220440 has 128 divisors (see below), whose sum is σ = 758951424000. Its totient is φ = 60659324928.

The previous prime is 240222220439. The next prime is 240222220451. The reversal of 240222220440 is 44022222042.

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 240222220440.

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, 5081392 + ... + 5128448.

It is an arithmetic number, because the mean of its divisors is an integer number (5929308000).

Almost surely, 2^240222220440 is an apocalyptic number.

240222220440 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 240222220440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379475712000).

240222220440 is an abundant number, since it is smaller than the sum of its proper divisors (518729203560).

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

240222220440 is a wasteful number, since it uses less digits than its factorization.

240222220440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49329 (or 49325 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 240222220440 its reverse (44022222042), we get a palindrome (284244442482).

The spelling of 240222220440 in words is "two hundred forty billion, two hundred twenty-two million, two hundred twenty thousand, four hundred forty".