40125347747 has 2 divisors, whose sum is σ = 40125347748. Its totient is φ = 40125347746.

The previous prime is 40125347737. The next prime is 40125347777. The reversal of 40125347747 is 74774352104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40125347747 - 2⁶ = 40125347683 is a prime.

It is a super-2 number, since 2×40125347747² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40125347698 and 40125347707.

It is not a weakly prime, because it can be changed into another prime (40125347737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20062673873 + 20062673874.

It is an arithmetic number, because the mean of its divisors is an integer number (20062673874).

Almost surely, 2^40125347747 is an apocalyptic number.

40125347747 is a deficient number, since it is larger than the sum of its proper divisors (1).

40125347747 is an equidigital number, since it uses as much as digits as its factorization.

40125347747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 40125347747 in words is "forty billion, one hundred twenty-five million, three hundred forty-seven thousand, seven hundred forty-seven".