4080132 has 90 divisors (see below), whose sum is σ = 12455982. Its totient is φ = 1161216.

The previous prime is 4080121. The next prime is 4080133. The reversal of 4080132 is 2310804.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 15876 = 2016^2 + 126^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4080133) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 15748 + ... + 16004.

Almost surely, 2^4080132 is an apocalyptic number.

4080132 is a gapful number since it is divisible by the number (42) 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 4080132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6227991).

4080132 is an abundant number, since it is smaller than the sum of its proper divisors (8375850).

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

4080132 is a wasteful number, since it uses less digits than its factorization.

4080132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4080132 is about 2019.9336622771. The cubic root of 4080132 is about 159.7931180310.

Adding to 4080132 its reverse (2310804), we get a palindrome (6390936).

The spelling of 4080132 in words is "four million, eighty thousand, one hundred thirty-two".