40079305 has 24 divisors (see below), whose sum is σ = 57886920. Its totient is φ = 26530560.

The previous prime is 40079293. The next prime is 40079321. The reversal of 40079305 is 50397004.

It can be written as a sum of positive squares in 4 ways, for example, as 15586704 + 24492601 = 3948^2 + 4949^2 .

It is not a de Polignac number, because 40079305 - 2⁹ = 40078793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4285 + ... + 9925.

It is an arithmetic number, because the mean of its divisors is an integer number (2411955).

Almost surely, 2^40079305 is an apocalyptic number.

It is an amenable number.

40079305 is a deficient number, since it is larger than the sum of its proper divisors (17807615).

40079305 is a wasteful number, since it uses less digits than its factorization.

40079305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689 (or 5682 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 40079305 is about 6330.8218265878. The cubic root of 40079305 is about 342.2210562020.

The spelling of 40079305 in words is "forty million, seventy-nine thousand, three hundred five".