40442855518753 has 2 divisors, whose sum is σ = 40442855518754. Its totient is φ = 40442855518752.

The previous prime is 40442855518711. The next prime is 40442855518757. The reversal of 40442855518753 is 35781555824404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33386012031969 + 7056843486784 = 5778063^2 + 2656472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40442855518753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40442855518691 and 40442855518700.

It is not a weakly prime, because it can be changed into another prime (40442855518757) 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, 20221427759376 + 20221427759377.

It is an arithmetic number, because the mean of its divisors is an integer number (20221427759377).

Almost surely, 2^{40442855518753} is an apocalyptic number.

It is an amenable number.

40442855518753 is a deficient number, since it is larger than the sum of its proper divisors (1).

40442855518753 is an equidigital number, since it uses as much as digits as its factorization.

40442855518753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520000, while the sum is 61.

The spelling of 40442855518753 in words is "forty trillion, four hundred forty-two billion, eight hundred fifty-five million, five hundred eighteen thousand, seven hundred fifty-three".