40095215 has 4 divisors (see below), whose sum is σ = 48114264. Its totient is φ = 32076168.

The previous prime is 40095203. The next prime is 40095217. The reversal of 40095215 is 51259004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40095215 - 2¹⁸ = 39833071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40095217) 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 3 ways as a sum of consecutive naturals, for example, 4009517 + ... + 4009526.

It is an arithmetic number, because the mean of its divisors is an integer number (12028566).

Almost surely, 2^40095215 is an apocalyptic number.

40095215 is a deficient number, since it is larger than the sum of its proper divisors (8019049).

40095215 is an equidigital number, since it uses as much as digits as its factorization.

40095215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8019048.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 40095215 is about 6332.0782528330. The cubic root of 40095215 is about 342.2663332406.

The spelling of 40095215 in words is "forty million, ninety-five thousand, two hundred fifteen".