22413340240 has 80 divisors (see below), whose sum is σ = 52498421136. Its totient is φ = 8898867200.

The previous prime is 22413340231. The next prime is 22413340247. The reversal of 22413340240 is 4204331422.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2694440464 + 19718899776 = 51908^2 + 140424^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22413340247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13022580 + ... + 13024300.

Almost surely, 2^22413340240 is an apocalyptic number.

22413340240 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 22413340240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26249210568).

22413340240 is an abundant number, since it is smaller than the sum of its proper divisors (30085080896).

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

22413340240 is a wasteful number, since it uses less digits than its factorization.

22413340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848 (or 2842 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22413340240 its reverse (4204331422), we get a palindrome (26617671662).

The spelling of 22413340240 in words is "twenty-two billion, four hundred thirteen million, three hundred forty thousand, two hundred forty".