40360948081 has 2 divisors, whose sum is σ = 40360948082. Its totient is φ = 40360948080.

The previous prime is 40360948007. The next prime is 40360948091. The reversal of 40360948081 is 18084906304.

40360948081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40118087025 + 242861056 = 200295^2 + 15584^2 .

It is a cyclic number.

It is not a de Polignac number, because 40360948081 - 2⁹ = 40360947569 is a prime.

It is a super-2 number, since 2×40360948081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40360948091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20180474040 + 20180474041.

It is an arithmetic number, because the mean of its divisors is an integer number (20180474041).

Almost surely, 2^40360948081 is an apocalyptic number.

It is an amenable number.

40360948081 is a deficient number, since it is larger than the sum of its proper divisors (1).

40360948081 is an equidigital number, since it uses as much as digits as its factorization.

40360948081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 40360948081 in words is "forty billion, three hundred sixty million, nine hundred forty-eight thousand, eighty-one".