40045376455759 has 4 divisors (see below), whose sum is σ = 40045645183720. Its totient is φ = 40045107727800.

The previous prime is 40045376455753. The next prime is 40045376455783. The reversal of 40045376455759 is 95755467354004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40045376455759 - 2¹⁹ = 40045375931471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40045376455759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40045376455753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134140329 + ... + 134438530.

It is an arithmetic number, because the mean of its divisors is an integer number (10011411295930).

Almost surely, 2^{40045376455759} is an apocalyptic number.

40045376455759 is a deficient number, since it is larger than the sum of its proper divisors (268727961).

40045376455759 is a wasteful number, since it uses less digits than its factorization.

40045376455759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268727960.

The product of its (nonzero) digits is 317520000, while the sum is 64.

The spelling of 40045376455759 in words is "forty trillion, forty-five billion, three hundred seventy-six million, four hundred fifty-five thousand, seven hundred fifty-nine".