232130000440 has 32 divisors (see below), whose sum is σ = 562468848480. Its totient is φ = 85709538432.

The previous prime is 232130000393. The next prime is 232130000447. The reversal of 232130000440 is 44000031232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232130000447) 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, 223201404 + ... + 223202443.

It is an arithmetic number, because the mean of its divisors is an integer number (17577151515).

Almost surely, 2^232130000440 is an apocalyptic number.

232130000440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232130000440 is an abundant number, since it is smaller than the sum of its proper divisors (330338848040).

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

232130000440 is a wasteful number, since it uses less digits than its factorization.

232130000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446403871 (or 446403867 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 232130000440 its reverse (44000031232), we get a palindrome (276130031672).

The spelling of 232130000440 in words is "two hundred thirty-two billion, one hundred thirty million, four hundred forty", and thus it is an aban number.