229716738880 has 56 divisors (see below), whose sum is σ = 547111516392. Its totient is φ = 91870144512.

The previous prime is 229716738847. The next prime is 229716738893. The reversal of 229716738880 is 88837617922.

It can be written as a sum of positive squares in 4 ways, for example, as 17947425024 + 211769313856 = 133968^2 + 460184^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798414 + ... + 1921906.

It is an arithmetic number, because the mean of its divisors is an integer number (9769848507).

Almost surely, 2^229716738880 is an apocalyptic number.

229716738880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229716738880 is an abundant number, since it is smaller than the sum of its proper divisors (317394777512).

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

229716738880 is a wasteful number, since it uses less digits than its factorization.

229716738880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129323 (or 129313 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 229716738880 in words is "two hundred twenty-nine billion, seven hundred sixteen million, seven hundred thirty-eight thousand, eight hundred eighty".