40241240077 has 2 divisors, whose sum is σ = 40241240078. Its totient is φ = 40241240076.

The previous prime is 40241240051. The next prime is 40241240147. The reversal of 40241240077 is 77004214204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40203859081 + 37380996 = 200509^2 + 6114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40241240077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40241240047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20120620038 + 20120620039.

It is an arithmetic number, because the mean of its divisors is an integer number (20120620039).

Almost surely, 2^40241240077 is an apocalyptic number.

It is an amenable number.

40241240077 is a deficient number, since it is larger than the sum of its proper divisors (1).

40241240077 is an equidigital number, since it uses as much as digits as its factorization.

40241240077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 31.

The spelling of 40241240077 in words is "forty billion, two hundred forty-one million, two hundred forty thousand, seventy-seven".