40240234203401 has 2 divisors, whose sum is σ = 40240234203402. Its totient is φ = 40240234203400.

The previous prime is 40240234203347. The next prime is 40240234203413. The reversal of 40240234203401 is 10430243204204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33266536321225 + 6973697882176 = 5767715^2 + 2640776^2 .

It is a cyclic number.

It is not a de Polignac number, because 40240234203401 - 2³⁴ = 40223054334217 is a prime.

It is not a weakly prime, because it can be changed into another prime (40240234223401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20120117101700 + 20120117101701.

It is an arithmetic number, because the mean of its divisors is an integer number (20120117101701).

Almost surely, 2^{40240234203401} is an apocalyptic number.

It is an amenable number.

40240234203401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40240234203401 is an equidigital number, since it uses as much as digits as its factorization.

40240234203401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 40240234203401 its reverse (10430243204204), we get a palindrome (50670477407605).

The spelling of 40240234203401 in words is "forty trillion, two hundred forty billion, two hundred thirty-four million, two hundred three thousand, four hundred one".