40021414361 has 2 divisors, whose sum is σ = 40021414362. Its totient is φ = 40021414360.

The previous prime is 40021414289. The next prime is 40021414373. The reversal of 40021414361 is 16341412004.

It is a happy number.

40021414361 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., 26946864025 + 13074550336 = 164155^2 + 114344^2 .

It is a cyclic number.

It is not a de Polignac number, because 40021414361 - 2²⁶ = 39954305497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40021414361.

It is not a weakly prime, because it can be changed into another prime (40021414861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20010707180 + 20010707181.

It is an arithmetic number, because the mean of its divisors is an integer number (20010707181).

Almost surely, 2^40021414361 is an apocalyptic number.

It is an amenable number.

40021414361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40021414361 is an equidigital number, since it uses as much as digits as its factorization.

40021414361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 40021414361 its reverse (16341412004), we get a palindrome (56362826365).

The spelling of 40021414361 in words is "forty billion, twenty-one million, four hundred fourteen thousand, three hundred sixty-one".