229165335940 has 12 divisors (see below), whose sum is σ = 481247205516. Its totient is φ = 91666134368.

The previous prime is 229165335937. The next prime is 229165335953. The reversal of 229165335940 is 49533561922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66477340224 + 162687995716 = 257832^2 + 403346^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5729133379 + ... + 5729133418.

It is an arithmetic number, because the mean of its divisors is an integer number (40103933793).

Almost surely, 2^229165335940 is an apocalyptic number.

229165335940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229165335940 is an abundant number, since it is smaller than the sum of its proper divisors (252081869576).

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

229165335940 is a wasteful number, since it uses less digits than its factorization.

229165335940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11458266806 (or 11458266804 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 229165335940 in words is "two hundred twenty-nine billion, one hundred sixty-five million, three hundred thirty-five thousand, nine hundred forty".