4180440 has 64 divisors (see below), whose sum is σ = 13685760. Its totient is φ = 1013120.

The previous prime is 4180387. The next prime is 4180441. The reversal of 4180440 is 440814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4180441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

Almost surely, 2^4180440 is an apocalyptic number.

4180440 is a gapful number since it is divisible by the number (40) 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 4180440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6842880).

4180440 is an abundant number, since it is smaller than the sum of its proper divisors (9505320).

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

4180440 is a wasteful number, since it uses less digits than its factorization.

4180440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4180440 is about 2044.6124327119. The cubic root of 4180440 is about 161.0920091855.

The spelling of 4180440 in words is "four million, one hundred eighty thousand, four hundred forty".