40775454739 has 2 divisors, whose sum is σ = 40775454740. Its totient is φ = 40775454738.

The previous prime is 40775454701. The next prime is 40775454791. The reversal of 40775454739 is 93745457704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40775454739 - 2²¹ = 40773357587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40775454739.

It is not a weakly prime, because it can be changed into another prime (40775455739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20387727369 + 20387727370.

It is an arithmetic number, because the mean of its divisors is an integer number (20387727370).

Almost surely, 2^40775454739 is an apocalyptic number.

40775454739 is a deficient number, since it is larger than the sum of its proper divisors (1).

40775454739 is an equidigital number, since it uses as much as digits as its factorization.

40775454739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14817600, while the sum is 55.

The spelling of 40775454739 in words is "forty billion, seven hundred seventy-five million, four hundred fifty-four thousand, seven hundred thirty-nine".