40879927015 has 4 divisors (see below), whose sum is σ = 49055912424. Its totient is φ = 32703941608.

The previous prime is 40879927009. The next prime is 40879927043. The reversal of 40879927015 is 51072997804.

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 40879927015 - 2⁷ = 40879926887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4087992697 + ... + 4087992706.

It is an arithmetic number, because the mean of its divisors is an integer number (12263978106).

Almost surely, 2^40879927015 is an apocalyptic number.

40879927015 is a deficient number, since it is larger than the sum of its proper divisors (8175985409).

40879927015 is an equidigital number, since it uses as much as digits as its factorization.

40879927015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8175985408.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 40879927015 in words is "forty billion, eight hundred seventy-nine million, nine hundred twenty-seven thousand, fifteen".