40510568941 has 2 divisors, whose sum is σ = 40510568942. Its totient is φ = 40510568940.

The previous prime is 40510568911. The next prime is 40510568963. The reversal of 40510568941 is 14986501504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33311725225 + 7198843716 = 182515^2 + 84846^2 .

It is a cyclic number.

It is not a de Polignac number, because 40510568941 - 2⁹ = 40510568429 is a prime.

It is a super-2 number, since 2×40510568941² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40510568911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20255284470 + 20255284471.

It is an arithmetic number, because the mean of its divisors is an integer number (20255284471).

Almost surely, 2^40510568941 is an apocalyptic number.

It is an amenable number.

40510568941 is a deficient number, since it is larger than the sum of its proper divisors (1).

40510568941 is an equidigital number, since it uses as much as digits as its factorization.

40510568941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 40510568941 in words is "forty billion, five hundred ten million, five hundred sixty-eight thousand, nine hundred forty-one".