224244240440 has 64 divisors (see below), whose sum is σ = 550787960160. Its totient is φ = 81488504320.

The previous prime is 224244240433. The next prime is 224244240469. The reversal of 224244240440 is 44042442422.

It is a junction number, because it is equal to n+sod(n) for n = 224244240397 and 224244240406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486242 + ... + 827598.

Almost surely, 2^224244240440 is an apocalyptic number.

224244240440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224244240440 is an abundant number, since it is smaller than the sum of its proper divisors (326543719720).

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

224244240440 is a wasteful number, since it uses less digits than its factorization.

224244240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342872 (or 342868 counting only the distinct ones).

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

Adding to 224244240440 its reverse (44042442422), we get a palindrome (268286682862).

The spelling of 224244240440 in words is "two hundred twenty-four billion, two hundred forty-four million, two hundred forty thousand, four hundred forty".