4027140 has 72 divisors (see below), whose sum is σ = 13162968. Its totient is φ = 990720.

The previous prime is 4027129. The next prime is 4027141. The reversal of 4027140 is 417204.

It is a happy number.

4027140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 248004 + 3779136 = 498^2 + 1944^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4027141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1480 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (182819).

Almost surely, 2^4027140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4027140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6581484).

4027140 is an abundant number, since it is smaller than the sum of its proper divisors (9135828).

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

4027140 is a wasteful number, since it uses less digits than its factorization.

4027140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749 (or 1744 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4027140 is about 2006.7735298234. The cubic root of 4027140 is about 159.0983134711.

The spelling of 4027140 in words is "four million, twenty-seven thousand, one hundred forty".