40241479 has 2 divisors, whose sum is σ = 40241480. Its totient is φ = 40241478.

The previous prime is 40241429. The next prime is 40241501. The reversal of 40241479 is 97414204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40241479 - 2⁷ = 40241351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40241479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40241429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20120739 + 20120740.

It is an arithmetic number, because the mean of its divisors is an integer number (20120740).

Almost surely, 2^40241479 is an apocalyptic number.

40241479 is a deficient number, since it is larger than the sum of its proper divisors (1).

40241479 is an equidigital number, since it uses as much as digits as its factorization.

40241479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 40241479 is about 6343.6171858018. The cubic root of 40241479 is about 342.6820145378.

The spelling of 40241479 in words is "forty million, two hundred forty-one thousand, four hundred seventy-nine".