224440342520 has 32 divisors (see below), whose sum is σ = 511908459120. Its totient is φ = 88546325760.

The previous prime is 224440342517. The next prime is 224440342523. The reversal of 224440342520 is 25243044422.

It is an interprime number because it is at equal distance from previous prime (224440342517) and next prime (224440342523).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224440342523) 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, 38428646 + ... + 38434485.

Almost surely, 2^224440342520 is an apocalyptic number.

224440342520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224440342520 is an abundant number, since it is smaller than the sum of its proper divisors (287468116600).

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

224440342520 is a wasteful number, since it uses less digits than its factorization.

224440342520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76863215 (or 76863211 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 224440342520 its reverse (25243044422), we get a palindrome (249683386942).

The spelling of 224440342520 in words is "two hundred twenty-four billion, four hundred forty million, three hundred forty-two thousand, five hundred twenty".