132478440 has 32 divisors (see below), whose sum is σ = 397435680. Its totient is φ = 35327552.

The previous prime is 132478439. The next prime is 132478453. The reversal of 132478440 is 44874231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551874 + ... + 552113.

It is an arithmetic number, because the mean of its divisors is an integer number (12419865).

Almost surely, 2^132478440 is an apocalyptic number.

132478440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132478440 is an abundant number, since it is smaller than the sum of its proper divisors (264957240).

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

132478440 is a wasteful number, since it uses less digits than its factorization.

132478440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104001 (or 1103997 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 132478440 is about 11509.9278885665. The cubic root of 132478440 is about 509.7787583245.

The spelling of 132478440 in words is "one hundred thirty-two million, four hundred seventy-eight thousand, four hundred forty".