224540330520 has 128 divisors (see below), whose sum is σ = 739368311040. Its totient is φ = 54100016640.

The previous prime is 224540330519. The next prime is 224540330537. The reversal of 224540330520 is 25033045422.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 306639 + ... + 736958.

It is an arithmetic number, because the mean of its divisors is an integer number (5776314930).

Almost surely, 2^224540330520 is an apocalyptic number.

224540330520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224540330520 is an abundant number, since it is smaller than the sum of its proper divisors (514827980520).

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

224540330520 is a wasteful number, since it uses less digits than its factorization.

224540330520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043785 (or 1043781 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 224540330520 its reverse (25033045422), we get a palindrome (249573375942).

The spelling of 224540330520 in words is "two hundred twenty-four billion, five hundred forty million, three hundred thirty thousand, five hundred twenty".