40011479 has 2 divisors, whose sum is σ = 40011480. Its totient is φ = 40011478.

The previous prime is 40011469. The next prime is 40011497. The reversal of 40011479 is 97411004.

40011479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (40011497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40011479 - 2¹⁶ = 39945943 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40011469) 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 as a sum of consecutive naturals, namely, 20005739 + 20005740.

It is an arithmetic number, because the mean of its divisors is an integer number (20005740).

Almost surely, 2^40011479 is an apocalyptic number.

40011479 is a deficient number, since it is larger than the sum of its proper divisors (1).

40011479 is an equidigital number, since it uses as much as digits as its factorization.

40011479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 40011479 is about 6325.4627498706. The cubic root of 40011479 is about 342.0279008962.

The spelling of 40011479 in words is "forty million, eleven thousand, four hundred seventy-nine".