229540360791 has 24 divisors (see below), whose sum is σ = 356164593024. Its totient is φ = 131113306800.

The previous prime is 229540360787. The next prime is 229540360793. The reversal of 229540360791 is 197063045922.

It is not a de Polignac number, because 229540360791 - 2² = 229540360787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229540360791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229540360793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56016 + ... + 679866.

It is an arithmetic number, because the mean of its divisors is an integer number (14840191376).

Almost surely, 2^229540360791 is an apocalyptic number.

229540360791 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

229540360791 is a deficient number, since it is larger than the sum of its proper divisors (126624232233).

229540360791 is a wasteful number, since it uses less digits than its factorization.

229540360791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626371 (or 626364 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 229540360791 in words is "two hundred twenty-nine billion, five hundred forty million, three hundred sixty thousand, seven hundred ninety-one".