40131772054057 has 2 divisors, whose sum is σ = 40131772054058. Its totient is φ = 40131772054056.

The previous prime is 40131772054051. The next prime is 40131772054081. The reversal of 40131772054057 is 75045027713104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37469836230121 + 2661935823936 = 6121261^2 + 1631544^2 .

It is a cyclic number.

It is not a de Polignac number, because 40131772054057 - 2¹⁹ = 40131771529769 is a prime.

It is a super-2 number, since 2×40131772054057² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40131772053998 and 40131772054016.

It is not a weakly prime, because it can be changed into another prime (40131772054051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065886027028 + 20065886027029.

It is an arithmetic number, because the mean of its divisors is an integer number (20065886027029).

Almost surely, 2^{40131772054057} is an apocalyptic number.

It is an amenable number.

40131772054057 is a deficient number, since it is larger than the sum of its proper divisors (1).

40131772054057 is an equidigital number, since it uses as much as digits as its factorization.

40131772054057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 40131772054057 in words is "forty trillion, one hundred thirty-one billion, seven hundred seventy-two million, fifty-four thousand, fifty-seven".