4180840 has 32 divisors (see below), whose sum is σ = 9492480. Its totient is φ = 1657152.

The previous prime is 4180837. The next prime is 4180849. The reversal of 4180840 is 480814.

It is not an unprimeable number, because it can be changed into a prime (4180849) 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, 4669 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (296640).

Almost surely, 2^4180840 is an apocalyptic number.

4180840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4180840 is an abundant number, since it is smaller than the sum of its proper divisors (5311640).

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

4180840 is a wasteful number, since it uses less digits than its factorization.

4180840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 4180840 is about 2044.7102484215. The cubic root of 4180840 is about 161.0971469819.

The spelling of 4180840 in words is "four million, one hundred eighty thousand, eight hundred forty".