232012332440 has 96 divisors (see below), whose sum is σ = 607887147600. Its totient is φ = 79464510720.

The previous prime is 232012332439. The next prime is 232012332473. The reversal of 232012332440 is 44233210232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1842206 + ... + 1964114.

Almost surely, 2^232012332440 is an apocalyptic number.

232012332440 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 232012332440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303943573800).

232012332440 is an abundant number, since it is smaller than the sum of its proper divisors (375874815160).

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

232012332440 is a wasteful number, since it uses less digits than its factorization.

232012332440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122905 (or 122894 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 232012332440 its reverse (44233210232), we get a palindrome (276245542672).

The spelling of 232012332440 in words is "two hundred thirty-two billion, twelve million, three hundred thirty-two thousand, four hundred forty".