40221455063 has 2 divisors, whose sum is σ = 40221455064. Its totient is φ = 40221455062.

The previous prime is 40221455017. The next prime is 40221455069. The reversal of 40221455063 is 36055412204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40221455063 - 2¹² = 40221450967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40221455069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110727531 + 20110727532.

It is an arithmetic number, because the mean of its divisors is an integer number (20110727532).

Almost surely, 2^40221455063 is an apocalyptic number.

40221455063 is a deficient number, since it is larger than the sum of its proper divisors (1).

40221455063 is an equidigital number, since it uses as much as digits as its factorization.

40221455063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 40221455063 its reverse (36055412204), we get a palindrome (76276867267).

The spelling of 40221455063 in words is "forty billion, two hundred twenty-one million, four hundred fifty-five thousand, sixty-three".