224440242440 has 32 divisors (see below), whose sum is σ = 509893375680. Its totient is φ = 88904482752.

The previous prime is 224440242431. The next prime is 224440242443. The reversal of 224440242440 is 44242044422.

It is a junction number, because it is equal to n+sod(n) for n = 224440242397 and 224440242406.

It is not an unprimeable number, because it can be changed into a prime (224440242443) 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, 27233774 + ... + 27242013.

It is an arithmetic number, because the mean of its divisors is an integer number (15934167990).

Almost surely, 2^224440242440 is an apocalyptic number.

224440242440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224440242440 is an abundant number, since it is smaller than the sum of its proper divisors (285453133240).

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

224440242440 is a wasteful number, since it uses less digits than its factorization.

224440242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54475901 (or 54475897 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 224440242440 its reverse (44242044422), we get a palindrome (268682286862).

The spelling of 224440242440 in words is "two hundred twenty-four billion, four hundred forty million, two hundred forty-two thousand, four hundred forty".