132404440 has 64 divisors (see below), whose sum is σ = 343848960. Its totient is φ = 44945280.

The previous prime is 132404429. The next prime is 132404453. The reversal of 132404440 is 44404231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26545 + ... + 31135.

It is an arithmetic number, because the mean of its divisors is an integer number (5372640).

Almost surely, 2^132404440 is an apocalyptic number.

132404440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132404440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171924480).

132404440 is an abundant number, since it is smaller than the sum of its proper divisors (211444520).

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

132404440 is a wasteful number, since it uses less digits than its factorization.

132404440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712 (or 4708 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 132404440 is about 11506.7128233914. The cubic root of 132404440 is about 509.6838229921.

Adding to 132404440 its reverse (44404231), we get a palindrome (176808671).

The spelling of 132404440 in words is "one hundred thirty-two million, four hundred four thousand, four hundred forty".