229293809856 has 140 divisors (see below), whose sum is σ = 719681235768. Its totient is φ = 71935285248.

The previous prime is 229293809851. The next prime is 229293809879. The reversal of 229293809856 is 658908392922.

229293809856 is a `hidden beast` number, since 229 + 29 + 380 + 9 + 8 + 5 + 6 = 666.

229293809856 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 229293809793 and 229293809802.

It is not an unprimeable number, because it can be changed into a prime (229293809851) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1212786 + ... + 1389041.

Almost surely, 2^229293809856 is an apocalyptic number.

It is an amenable number.

229293809856 is an abundant number, since it is smaller than the sum of its proper divisors (490387425912).

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

229293809856 is a wasteful number, since it uses less digits than its factorization.

229293809856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601868 (or 2601849 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 229293809856 in words is "two hundred twenty-nine billion, two hundred ninety-three million, eight hundred nine thousand, eight hundred fifty-six".