40015275 has 24 divisors (see below), whose sum is σ = 67287360. Its totient is φ = 20977440.

The previous prime is 40015267. The next prime is 40015277. The reversal of 40015275 is 57251004.

40015275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40015275 - 2³ = 40015267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40015277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97 + ... + 8946.

It is an arithmetic number, because the mean of its divisors is an integer number (2803640).

Almost surely, 2^40015275 is an apocalyptic number.

40015275 is a deficient number, since it is larger than the sum of its proper divisors (27272085).

40015275 is a wasteful number, since it uses less digits than its factorization.

40015275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115 (or 9110 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 40015275 is about 6325.7627998527. The cubic root of 40015275 is about 342.0387169328.

Adding to 40015275 its reverse (57251004), we get a palindrome (97266279).

The spelling of 40015275 in words is "forty million, fifteen thousand, two hundred seventy-five".