40279268 has 12 divisors (see below), whose sum is σ = 70798140. Its totient is φ = 20051232.

The previous prime is 40279249. The next prime is 40279271. The reversal of 40279268 is 86297204.

40279268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29833444 + 10445824 = 5462^2 + 3232^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21071 + ... + 22902.

It is an arithmetic number, because the mean of its divisors is an integer number (5899845).

Almost surely, 2^40279268 is an apocalyptic number.

It is an amenable number.

40279268 is a deficient number, since it is larger than the sum of its proper divisors (30518872).

40279268 is a wasteful number, since it uses less digits than its factorization.

40279268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44206 (or 44204 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 40279268 is about 6346.5949925925. The cubic root of 40279268 is about 342.7892468398.

The spelling of 40279268 in words is "forty million, two hundred seventy-nine thousand, two hundred sixty-eight".