40071259 has 4 divisors (see below), whose sum is σ = 41154304. Its totient is φ = 38988216.

The previous prime is 40071253. The next prime is 40071281. The reversal of 40071259 is 95217004.

It is a happy number.

40071259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40071259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40071253) 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 3 ways as a sum of consecutive naturals, for example, 541467 + ... + 541540.

It is an arithmetic number, because the mean of its divisors is an integer number (10288576).

Almost surely, 2^40071259 is an apocalyptic number.

40071259 is a deficient number, since it is larger than the sum of its proper divisors (1083045).

40071259 is a wasteful number, since it uses less digits than its factorization.

40071259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083044.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 40071259 is about 6330.1863321706. The cubic root of 40071259 is about 342.1981541507.

The spelling of 40071259 in words is "forty million, seventy-one thousand, two hundred fifty-nine".