40786094570561 has 2 divisors, whose sum is σ = 40786094570562. Its totient is φ = 40786094570560.

The previous prime is 40786094570539. The next prime is 40786094570587. The reversal of 40786094570561 is 16507549068704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34444984930225 + 6341109640336 = 5868985^2 + 2518156^2 .

It is a cyclic number.

It is not a de Polignac number, because 40786094570561 - 2¹⁰ = 40786094569537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40786094570494 and 40786094570503.

It is not a weakly prime, because it can be changed into another prime (40786094570521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20393047285280 + 20393047285281.

It is an arithmetic number, because the mean of its divisors is an integer number (20393047285281).

Almost surely, 2^{40786094570561} is an apocalyptic number.

It is an amenable number.

40786094570561 is a deficient number, since it is larger than the sum of its proper divisors (1).

40786094570561 is an equidigital number, since it uses as much as digits as its factorization.

40786094570561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 40786094570561 in words is "forty trillion, seven hundred eighty-six billion, ninety-four million, five hundred seventy thousand, five hundred sixty-one".