224869615938 has 126 divisors (see below), whose sum is σ = 556372663497. Its totient is φ = 68081951520.

The previous prime is 224869615937. The next prime is 224869615963. The reversal of 224869615938 is 839516968422.

224869615938 is a `hidden beast` number, since 2 + 2 + 4 + 8 + 6 + 9 + 615 + 9 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 175119651729 + 49749964209 = 418473^2 + 223047^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=335313.

It is not an unprimeable number, because it can be changed into a prime (224869615931) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 199175358 + ... + 199176486.

Almost surely, 2^224869615938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224869615938

224869615938 is an abundant number, since it is smaller than the sum of its proper divisors (331503047559).

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

224869615938 is an frugal number, since it uses more digits than its factorization.

224869615938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 1145 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 224869615938 in words is "two hundred twenty-four billion, eight hundred sixty-nine million, six hundred fifteen thousand, nine hundred thirty-eight".