229526781250 has 56 divisors (see below), whose sum is σ = 463462426980. Its totient is φ = 84748200000.

The previous prime is 229526781221. The next prime is 229526781287. The reversal of 229526781250 is 52187625922.

It can be written as a sum of positive squares in 14 ways, for example, as 218054443369 + 11472337881 = 466963^2 + 107109^2 .

It is a junction number, because it is equal to n+sod(n) for n = 229526781194 and 229526781203.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 123756 + ... + 688744.

Almost surely, 2^229526781250 is an apocalyptic number.

229526781250 is an abundant number, since it is smaller than the sum of its proper divisors (233935645730).

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

229526781250 is an frugal number, since it uses more digits than its factorization.

229526781250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565034 (or 565009 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 229526781250 in words is "two hundred twenty-nine billion, five hundred twenty-six million, seven hundred eighty-one thousand, two hundred fifty".