4040115 has 8 divisors (see below), whose sum is σ = 6464208. Its totient is φ = 2154720.

The previous prime is 4040093. The next prime is 4040119. The reversal of 4040115 is 5110404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4040115 - 2⁵ = 4040083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 269341 = 4040115 / (4 + 0 + 4 + 0 + 1 + 1 + 5).

It is a junction number, because it is equal to n+sod(n) for n = 4040094 and 4040103.

It is not an unprimeable number, because it can be changed into a prime (4040119) 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, 134656 + ... + 134685.

It is an arithmetic number, because the mean of its divisors is an integer number (808026).

Almost surely, 2^4040115 is an apocalyptic number.

4040115 is a deficient number, since it is larger than the sum of its proper divisors (2424093).

4040115 is a wasteful number, since it uses less digits than its factorization.

4040115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269349.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 4040115 is about 2010.0037313398. The cubic root of 4040115 is about 159.2689960228.

Subtracting from 4040115 its sum of digits (15), we obtain a square (4040100 = 2010²).

Adding to 4040115 its reverse (5110404), we get a palindrome (9150519).

The spelling of 4040115 in words is "four million, forty thousand, one hundred fifteen".