2040015 has 16 divisors (see below), whose sum is σ = 3282048. Its totient is φ = 1082016.

The previous prime is 2039993. The next prime is 2040019. The reversal of 2040015 is 5100402.

It is not a de Polignac number, because 2040015 - 2⁶ = 2039951 is a prime.

It is a super-2 number, since 2×2040015² = 8323322400450, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040019) 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, 4384 + ... + 4826.

It is an arithmetic number, because the mean of its divisors is an integer number (205128).

2^2040015 is an apocalyptic number.

2040015 is a deficient number, since it is larger than the sum of its proper divisors (1242033).

2040015 is a wasteful number, since it uses less digits than its factorization.

2040015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2040015 is about 1428.2909367492. The cubic root of 2040015 is about 126.8268249562.

Adding to 2040015 its reverse (5100402), we get a palindrome (7140417).

The spelling of 2040015 in words is "two million, forty thousand, fifteen".