229739429952 has 112 divisors (see below), whose sum is σ = 675551404800. Its totient is φ = 76561666560.

The previous prime is 229739429939. The next prime is 229739429977. The reversal of 229739429952 is 259924937922.

229739429952 is a `hidden beast` number, since 2 + 2 + 97 + 39 + 429 + 95 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 229739429952.

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, 8663049 + ... + 8689527.

Almost surely, 2^229739429952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229739429952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337775702400).

229739429952 is an abundant number, since it is smaller than the sum of its proper divisors (445811974848).

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

229739429952 is a wasteful number, since it uses less digits than its factorization.

229739429952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31521 (or 31505 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 229739429952 in words is "two hundred twenty-nine billion, seven hundred thirty-nine million, four hundred twenty-nine thousand, nine hundred fifty-two".