4040192 has 40 divisors (see below), whose sum is σ = 8707776. Its totient is φ = 1861632.

The previous prime is 4040173. The next prime is 4040207. The reversal of 4040192 is 2910404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6353 + ... + 6959.

Almost surely, 2^4040192 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 4040192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4353888).

4040192 is an abundant number, since it is smaller than the sum of its proper divisors (4667584).

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

4040192 is an equidigital number, since it uses as much as digits as its factorization.

4040192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4040192 is about 2010.0228854419. The cubic root of 4040192 is about 159.2700078451.

Adding to 4040192 its reverse (2910404), we get a palindrome (6950596).

The spelling of 4040192 in words is "four million, forty thousand, one hundred ninety-two".