32132420440 has 32 divisors (see below), whose sum is σ = 73836204480. Its totient is φ = 12579500032.

The previous prime is 32132420417. The next prime is 32132420447. The reversal of 32132420440 is 4402423123.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32132420447) 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, 8543977 + ... + 8547736.

It is an arithmetic number, because the mean of its divisors is an integer number (2307381390).

Almost surely, 2^32132420440 is an apocalyptic number.

It is an amenable number.

32132420440 is an abundant number, since it is smaller than the sum of its proper divisors (41703784040).

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

32132420440 is a wasteful number, since it uses less digits than its factorization.

32132420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17091771 (or 17091767 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 32132420440 its reverse (4402423123), we get a palindrome (36534843563).

The spelling of 32132420440 in words is "thirty-two billion, one hundred thirty-two million, four hundred twenty thousand, four hundred forty".