40578538199 has 2 divisors, whose sum is σ = 40578538200. Its totient is φ = 40578538198.

The previous prime is 40578538103. The next prime is 40578538207. The reversal of 40578538199 is 99183587504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40578538199 - 2⁸ = 40578537943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40578538499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20289269099 + 20289269100.

It is an arithmetic number, because the mean of its divisors is an integer number (20289269100).

Almost surely, 2^40578538199 is an apocalyptic number.

40578538199 is a deficient number, since it is larger than the sum of its proper divisors (1).

40578538199 is an equidigital number, since it uses as much as digits as its factorization.

40578538199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 59.

The spelling of 40578538199 in words is "forty billion, five hundred seventy-eight million, five hundred thirty-eight thousand, one hundred ninety-nine".