4080140 has 12 divisors (see below), whose sum is σ = 8568336. Its totient is φ = 1632048.

The previous prime is 4080137. The next prime is 4080143. The reversal of 4080140 is 410804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4080137) and next prime (4080143).

It is not an unprimeable number, because it can be changed into a prime (4080143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101984 + ... + 102023.

It is an arithmetic number, because the mean of its divisors is an integer number (714028).

Almost surely, 2^4080140 is an apocalyptic number.

It is an amenable number.

4080140 is an abundant number, since it is smaller than the sum of its proper divisors (4488196).

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

4080140 is a wasteful number, since it uses less digits than its factorization.

4080140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204016 (or 204014 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4080140 is about 2019.9356425391. The cubic root of 4080140 is about 159.7932224675.

Adding to 4080140 its reverse (410804), we get a palindrome (4490944).

The spelling of 4080140 in words is "four million, eighty thousand, one hundred forty".