132448440 has 32 divisors (see below), whose sum is σ = 397345680. Its totient is φ = 35319552.

The previous prime is 132448439. The next prime is 132448447. The reversal of 132448440 is 44844231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 132448398 and 132448407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132448447) 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, 551749 + ... + 551988.

Almost surely, 2^132448440 is an apocalyptic number.

132448440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132448440 is an abundant number, since it is smaller than the sum of its proper divisors (264897240).

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

132448440 is a wasteful number, since it uses less digits than its factorization.

132448440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103751 (or 1103747 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 132448440 is about 11508.6245920179. The cubic root of 132448440 is about 509.7402752895.

The spelling of 132448440 in words is "one hundred thirty-two million, four hundred forty-eight thousand, four hundred forty".