132440424 has 16 divisors (see below), whose sum is σ = 331101120. Its totient is φ = 44146800.

The previous prime is 132440389. The next prime is 132440437. The reversal of 132440424 is 424044231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5518351 = 132440424 / (1 + 3 + 2 + 4 + 4 + 0 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 132440394 and 132440403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2759152 + ... + 2759199.

It is an arithmetic number, because the mean of its divisors is an integer number (20693820).

Almost surely, 2^132440424 is an apocalyptic number.

It is an amenable number.

132440424 is an abundant number, since it is smaller than the sum of its proper divisors (198660696).

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

132440424 is a wasteful number, since it uses less digits than its factorization.

132440424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518360 (or 5518356 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 132440424 is about 11508.2763261924. The cubic root of 132440424 is about 509.7299916388.

Adding to 132440424 its reverse (424044231), we get a palindrome (556484655).

The spelling of 132440424 in words is "one hundred thirty-two million, four hundred forty thousand, four hundred twenty-four".