229956648570 has 240 divisors, whose sum is σ = 692488870920. Its totient is φ = 54693999360.

The previous prime is 229956648469. The next prime is 229956648643. The reversal of 229956648570 is 75846659922.

229956648570 is a `hidden beast` number, since 2 + 2 + 9 + 9 + 56 + 6 + 4 + 8 + 570 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 229879014849 + 77633721 = 479457^2 + 8811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 229956648498 and 229956648507.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5172396 + ... + 5216664.

Almost surely, 2^229956648570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229956648570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346244435460).

229956648570 is an abundant number, since it is smaller than the sum of its proper divisors (462532222350).

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

229956648570 is a wasteful number, since it uses less digits than its factorization.

229956648570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44363 (or 44343 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 229956648570 in words is "two hundred twenty-nine billion, nine hundred fifty-six million, six hundred forty-eight thousand, five hundred seventy".