40020273773731 has 2 divisors, whose sum is σ = 40020273773732. Its totient is φ = 40020273773730.

The previous prime is 40020273773593. The next prime is 40020273773747. The reversal of 40020273773731 is 13737737202004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40020273773731 - 2¹¹ = 40020273771683 is a prime.

It is a super-2 number, since 2×40020273773731² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40020273773771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20010136886865 + 20010136886866.

It is an arithmetic number, because the mean of its divisors is an integer number (20010136886866).

Almost surely, 2^{40020273773731} is an apocalyptic number.

40020273773731 is a deficient number, since it is larger than the sum of its proper divisors (1).

40020273773731 is an equidigital number, since it uses as much as digits as its factorization.

40020273773731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1037232, while the sum is 46.

The spelling of 40020273773731 in words is "forty trillion, twenty billion, two hundred seventy-three million, seven hundred seventy-three thousand, seven hundred thirty-one".