40035472739 has 2 divisors, whose sum is σ = 40035472740. Its totient is φ = 40035472738.

The previous prime is 40035472733. The next prime is 40035472751. The reversal of 40035472739 is 93727453004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40035472739 - 2⁸ = 40035472483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40035472739.

It is not a weakly prime, because it can be changed into another prime (40035472733) 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, 20017736369 + 20017736370.

It is an arithmetic number, because the mean of its divisors is an integer number (20017736370).

Almost surely, 2^40035472739 is an apocalyptic number.

40035472739 is a deficient number, since it is larger than the sum of its proper divisors (1).

40035472739 is an equidigital number, since it uses as much as digits as its factorization.

40035472739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 40035472739 in words is "forty billion, thirty-five million, four hundred seventy-two thousand, seven hundred thirty-nine".