40478659201 has 2 divisors, whose sum is σ = 40478659202. Its totient is φ = 40478659200.

The previous prime is 40478659159. The next prime is 40478659237. The reversal of 40478659201 is 10295687404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28409439601 + 12069219600 = 168551^2 + 109860^2 .

It is a cyclic number.

It is not a de Polignac number, because 40478659201 - 2¹³ = 40478651009 is a prime.

It is not a weakly prime, because it can be changed into another prime (40478659271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20239329600 + 20239329601.

It is an arithmetic number, because the mean of its divisors is an integer number (20239329601).

Almost surely, 2^40478659201 is an apocalyptic number.

It is an amenable number.

40478659201 is a deficient number, since it is larger than the sum of its proper divisors (1).

40478659201 is an equidigital number, since it uses as much as digits as its factorization.

40478659201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 40478659201 in words is "forty billion, four hundred seventy-eight million, six hundred fifty-nine thousand, two hundred one".