40384416739 has 2 divisors, whose sum is σ = 40384416740. Its totient is φ = 40384416738.

The previous prime is 40384416733. The next prime is 40384416773. The reversal of 40384416739 is 93761448304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40384416739 - 2⁵ = 40384416707 is a prime.

It is a super-2 number, since 2×40384416739² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40384416692 and 40384416701.

It is not a weakly prime, because it can be changed into another prime (40384416733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20192208369 + 20192208370.

It is an arithmetic number, because the mean of its divisors is an integer number (20192208370).

Almost surely, 2^40384416739 is an apocalyptic number.

40384416739 is a deficient number, since it is larger than the sum of its proper divisors (1).

40384416739 is an equidigital number, since it uses as much as digits as its factorization.

40384416739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 40384416739 in words is "forty billion, three hundred eighty-four million, four hundred sixteen thousand, seven hundred thirty-nine".