4180140 has 48 divisors (see below), whose sum is σ = 13006560. Its totient is φ = 1114560.

The previous prime is 4180097. The next prime is 4180153. The reversal of 4180140 is 410814.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3331 + ... + 4410.

It is an arithmetic number, because the mean of its divisors is an integer number (270970).

Almost surely, 2^4180140 is an apocalyptic number.

It is an amenable number.

4180140 is an abundant number, since it is smaller than the sum of its proper divisors (8826420).

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

4180140 is a wasteful number, since it uses less digits than its factorization.

4180140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7759 (or 7751 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4180140 is about 2044.5390678586. The cubic root of 4180140 is about 161.0881556231.

Adding to 4180140 its reverse (410814), we get a palindrome (4590954).

The spelling of 4180140 in words is "four million, one hundred eighty thousand, one hundred forty".