32330131240 has 96 divisors (see below), whose sum is σ = 82956636000. Its totient is φ = 11245182080.

The previous prime is 32330131187. The next prime is 32330131243. The reversal of 32330131240 is 4213103323.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (32330131243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163311 + ... + 302209.

It is an arithmetic number, because the mean of its divisors is an integer number (864131625).

Almost surely, 2^32330131240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32330131240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41478318000).

32330131240 is an abundant number, since it is smaller than the sum of its proper divisors (50626504760).

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

32330131240 is a wasteful number, since it uses less digits than its factorization.

32330131240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138967 (or 138940 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 32330131240 its reverse (4213103323), we get a palindrome (36543234563).

The spelling of 32330131240 in words is "thirty-two billion, three hundred thirty million, one hundred thirty-one thousand, two hundred forty".