40063403077 has 2 divisors, whose sum is σ = 40063403078. Its totient is φ = 40063403076.

The previous prime is 40063403033. The next prime is 40063403089. The reversal of 40063403077 is 77030436004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38541935041 + 1521468036 = 196321^2 + 39006^2 .

It is a cyclic number.

It is not a de Polignac number, because 40063403077 - 2³¹ = 37915919429 is a prime.

It is a super-2 number, since 2×40063403077² (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 (40063403977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20031701538 + 20031701539.

It is an arithmetic number, because the mean of its divisors is an integer number (20031701539).

Almost surely, 2^40063403077 is an apocalyptic number.

It is an amenable number.

40063403077 is a deficient number, since it is larger than the sum of its proper divisors (1).

40063403077 is an equidigital number, since it uses as much as digits as its factorization.

40063403077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 34.

The spelling of 40063403077 in words is "forty billion, sixty-three million, four hundred three thousand, seventy-seven".