201040015 has 16 divisors (see below), whose sum is σ = 269601696. Its totient is φ = 142643200.

The previous prime is 201040003. The next prime is 201040019. The reversal of 201040015 is 510040102.

It is not a de Polignac number, because 201040015 - 2⁵ = 201039983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201039977 and 201040004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201040019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42322 + ... + 46831.

It is an arithmetic number, because the mean of its divisors is an integer number (16850106).

Almost surely, 2^201040015 is an apocalyptic number.

201040015 is a deficient number, since it is larger than the sum of its proper divisors (68561681).

201040015 is a wasteful number, since it uses less digits than its factorization.

201040015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89210.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 201040015 is about 14178.8580287695. The cubic root of 201040015 is about 585.8154697433.

Adding to 201040015 its reverse (510040102), we get a palindrome (711080117).

It can be divided in two parts, 2010 and 40015, that added together give a square (42025 = 205²).

The spelling of 201040015 in words is "two hundred one million, forty thousand, fifteen".