4082040 has 192 divisors, whose sum is σ = 15163200. Its totient is φ = 946176.

The previous prime is 4082027. The next prime is 4082041. The reversal of 4082040 is 402804.

It is a happy number.

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 (4082041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140746 + ... + 140774.

It is an arithmetic number, because the mean of its divisors is an integer number (78975).

Almost surely, 2^4082040 is an apocalyptic number.

4082040 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 4082040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7581600).

4082040 is an abundant number, since it is smaller than the sum of its proper divisors (11081160).

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

4082040 is a wasteful number, since it uses less digits than its factorization.

4082040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4082040 is about 2020.4058998132. The cubic root of 4082040 is about 159.8180222708.

Adding to 4082040 its reverse (402804), we get a palindrome (4484844).

The spelling of 4082040 in words is "four million, eighty-two thousand, forty".