234221256040 has 32 divisors (see below), whose sum is σ = 527025826080. Its totient is φ = 93683524672.

The previous prime is 234221256019. The next prime is 234221256077. The reversal of 234221256040 is 40652122432.

234221256040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 234221255993 and 234221256011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659427 + ... + 950413.

It is an arithmetic number, because the mean of its divisors is an integer number (16469557065).

Almost surely, 2^234221256040 is an apocalyptic number.

234221256040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234221256040 is an abundant number, since it is smaller than the sum of its proper divisors (292804570040).

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

234221256040 is a wasteful number, since it uses less digits than its factorization.

234221256040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311121 (or 311117 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 234221256040 its reverse (40652122432), we get a palindrome (274873378472).

The spelling of 234221256040 in words is "two hundred thirty-four billion, two hundred twenty-one million, two hundred fifty-six thousand, forty".