40300139993 has 2 divisors, whose sum is σ = 40300139994. Its totient is φ = 40300139992.

The previous prime is 40300139983. The next prime is 40300140011. The reversal of 40300139993 is 39993100304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26896984009 + 13403155984 = 164003^2 + 115772^2 .

It is a cyclic number.

It is not a de Polignac number, because 40300139993 - 2¹⁴ = 40300123609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40300139993.

It is not a weakly prime, because it can be changed into another prime (40300139923) 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, 20150069996 + 20150069997.

It is an arithmetic number, because the mean of its divisors is an integer number (20150069997).

Almost surely, 2^40300139993 is an apocalyptic number.

It is an amenable number.

40300139993 is a deficient number, since it is larger than the sum of its proper divisors (1).

40300139993 is an equidigital number, since it uses as much as digits as its factorization.

40300139993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 41.

The spelling of 40300139993 in words is "forty billion, three hundred million, one hundred thirty-nine thousand, nine hundred ninety-three".