232531442122240 has 80 divisors (see below), whose sum is σ = 557729814292992. Its totient is φ = 92979319578624.

The previous prime is 232531442122171. The next prime is 232531442122247. The reversal of 232531442122240 is 42221244135232.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 232531442122240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232531442122247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9077184 + ... + 23397823.

Almost surely, 2^{232531442122240} is an apocalyptic number.

232531442122240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232531442122240 is an abundant number, since it is smaller than the sum of its proper divisors (325198372170752).

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

232531442122240 is an equidigital number, since it uses as much as digits as its factorization.

232531442122240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32477827 (or 32477811 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 232531442122240 its reverse (42221244135232), we get a palindrome (274752686257472).

The spelling of 232531442122240 in words is "two hundred thirty-two trillion, five hundred thirty-one billion, four hundred forty-two million, one hundred twenty-two thousand, two hundred forty".