40236187851241 has 2 divisors, whose sum is σ = 40236187851242. Its totient is φ = 40236187851240.

The previous prime is 40236187851169. The next prime is 40236187851253. The reversal of 40236187851241 is 14215878163204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23313166513641 + 16923021337600 = 4828371^2 + 4113760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40236187851241 is a prime.

It is not a weakly prime, because it can be changed into another prime (40236187801241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20118093925620 + 20118093925621.

It is an arithmetic number, because the mean of its divisors is an integer number (20118093925621).

Almost surely, 2^{40236187851241} is an apocalyptic number.

It is an amenable number.

40236187851241 is a deficient number, since it is larger than the sum of its proper divisors (1).

40236187851241 is an equidigital number, since it uses as much as digits as its factorization.

40236187851241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 40236187851241 in words is "forty trillion, two hundred thirty-six billion, one hundred eighty-seven million, eight hundred fifty-one thousand, two hundred forty-one".