40208576399 has 2 divisors, whose sum is σ = 40208576400. Its totient is φ = 40208576398.

The previous prime is 40208576383. The next prime is 40208576431. The reversal of 40208576399 is 99367580204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40208576399 - 2⁴ = 40208576383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40208576399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40208576099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20104288199 + 20104288200.

It is an arithmetic number, because the mean of its divisors is an integer number (20104288200).

Almost surely, 2^40208576399 is an apocalyptic number.

40208576399 is a deficient number, since it is larger than the sum of its proper divisors (1).

40208576399 is an equidigital number, since it uses as much as digits as its factorization.

40208576399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 40208576399 in words is "forty billion, two hundred eight million, five hundred seventy-six thousand, three hundred ninety-nine".