229235072240 has 40 divisors (see below), whose sum is σ = 533460262608. Its totient is φ = 91609948160.

The previous prime is 229235072203. The next prime is 229235072249. The reversal of 229235072240 is 42270532922.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 229235072194 and 229235072203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229235072249) 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 7 ways as a sum of consecutive naturals, for example, 1225937 + ... + 1400496.

Almost surely, 2^229235072240 is an apocalyptic number.

229235072240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229235072240 is an abundant number, since it is smaller than the sum of its proper divisors (304225190368).

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

229235072240 is a wasteful number, since it uses less digits than its factorization.

229235072240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627537 (or 2627531 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 229235072240 in words is "two hundred twenty-nine billion, two hundred thirty-five million, seventy-two thousand, two hundred forty".