40799144899 has 2 divisors, whose sum is σ = 40799144900. Its totient is φ = 40799144898.

The previous prime is 40799144879. The next prime is 40799144927. The reversal of 40799144899 is 99844199704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40799144899 - 2⁹ = 40799144387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40799144899.

It is not a weakly prime, because it can be changed into another prime (40799144879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20399572449 + 20399572450.

It is an arithmetic number, because the mean of its divisors is an integer number (20399572450).

Almost surely, 2^40799144899 is an apocalyptic number.

40799144899 is a deficient number, since it is larger than the sum of its proper divisors (1).

40799144899 is an equidigital number, since it uses as much as digits as its factorization.

40799144899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 40799144899 in words is "forty billion, seven hundred ninety-nine million, one hundred forty-four thousand, eight hundred ninety-nine".