232140032040 has 128 divisors (see below), whose sum is σ = 817419836160. Its totient is φ = 51626502144.

The previous prime is 232140032027. The next prime is 232140032081. The reversal of 232140032040 is 40230041232.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 232140031998 and 232140032016.

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 31 ways as a sum of consecutive naturals, for example, 3703477 + ... + 3765636.

It is an arithmetic number, because the mean of its divisors is an integer number (6386092470).

Almost surely, 2^232140032040 is an apocalyptic number.

232140032040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232140032040 is an abundant number, since it is smaller than the sum of its proper divisors (585279804120).

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

232140032040 is a wasteful number, since it uses less digits than its factorization.

232140032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469171 (or 7469167 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 232140032040 its reverse (40230041232), we get a palindrome (272370073272).

The spelling of 232140032040 in words is "two hundred thirty-two billion, one hundred forty million, thirty-two thousand, forty".