132320440 has 32 divisors (see below), whose sum is σ = 340253280. Its totient is φ = 45366912.

The previous prime is 132320413. The next prime is 132320443. The reversal of 132320440 is 44023231.

132320440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132320443) 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, 236007 + ... + 236566.

It is an arithmetic number, because the mean of its divisors is an integer number (10632915).

Almost surely, 2^132320440 is an apocalyptic number.

132320440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132320440 is an abundant number, since it is smaller than the sum of its proper divisors (207932840).

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

132320440 is a wasteful number, since it uses less digits than its factorization.

132320440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472591 (or 472587 counting only the distinct ones).

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

The square root of 132320440 is about 11503.0622009967. The cubic root of 132320440 is about 509.5760156854.

Adding to 132320440 its reverse (44023231), we get a palindrome (176343671).

The spelling of 132320440 in words is "one hundred thirty-two million, three hundred twenty thousand, four hundred forty".