40375165022749 has 2 divisors, whose sum is σ = 40375165022750. Its totient is φ = 40375165022748.

The previous prime is 40375165022729. The next prime is 40375165022831. The reversal of 40375165022749 is 94722056157304.

40375165022749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34932709952100 + 5442455070649 = 5910390^2 + 2332907^2 .

It is a cyclic number.

It is not a de Polignac number, because 40375165022749 - 2⁹ = 40375165022237 is a prime.

It is a super-2 number, since 2×40375165022749² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40375165022749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40375165022729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20187582511374 + 20187582511375.

It is an arithmetic number, because the mean of its divisors is an integer number (20187582511375).

Almost surely, 2^{40375165022749} is an apocalyptic number.

It is an amenable number.

40375165022749 is a deficient number, since it is larger than the sum of its proper divisors (1).

40375165022749 is an equidigital number, since it uses as much as digits as its factorization.

40375165022749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 40375165022749 in words is "forty trillion, three hundred seventy-five billion, one hundred sixty-five million, twenty-two thousand, seven hundred forty-nine".