40086279 has 8 divisors (see below), whose sum is σ = 59387120. Its totient is φ = 26724168.

The previous prime is 40086269. The next prime is 40086313. The reversal of 40086279 is 97268004.

40086279 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 40086279 - 2⁵ = 40086247 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 (40086229) 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 7 ways as a sum of consecutive naturals, for example, 742312 + ... + 742365.

It is an arithmetic number, because the mean of its divisors is an integer number (7423390).

Almost surely, 2^40086279 is an apocalyptic number.

40086279 is a deficient number, since it is larger than the sum of its proper divisors (19300841).

40086279 is a wasteful number, since it uses less digits than its factorization.

40086279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484686 (or 1484680 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 40086279 is about 6331.3725999976. The cubic root of 40086279 is about 342.2409044440.

The spelling of 40086279 in words is "forty million, eighty-six thousand, two hundred seventy-nine".