232204131440 has 80 divisors (see below), whose sum is σ = 552685161600. Its totient is φ = 90679685376.

The previous prime is 232204131421. The next prime is 232204131557. The reversal of 232204131440 is 44131402232.

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

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8031731 + ... + 8060589.

It is an arithmetic number, because the mean of its divisors is an integer number (6908564520).

Almost surely, 2^232204131440 is an apocalyptic number.

232204131440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232204131440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276342580800).

232204131440 is an abundant number, since it is smaller than the sum of its proper divisors (320481030160).

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

232204131440 is a wasteful number, since it uses less digits than its factorization.

232204131440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31254 (or 31248 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 232204131440 its reverse (44131402232), we get a palindrome (276335533672).

The spelling of 232204131440 in words is "two hundred thirty-two billion, two hundred four million, one hundred thirty-one thousand, four hundred forty".