40453008731 has 2 divisors, whose sum is σ = 40453008732. Its totient is φ = 40453008730.

The previous prime is 40453008647. The next prime is 40453008769. The reversal of 40453008731 is 13780035404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40453008731 is a prime.

It is a super-2 number, since 2×40453008731² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40453008691 and 40453008700.

It is not a weakly prime, because it can be changed into another prime (40453008781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20226504365 + 20226504366.

It is an arithmetic number, because the mean of its divisors is an integer number (20226504366).

Almost surely, 2^40453008731 is an apocalyptic number.

40453008731 is a deficient number, since it is larger than the sum of its proper divisors (1).

40453008731 is an equidigital number, since it uses as much as digits as its factorization.

40453008731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 40453008731 in words is "forty billion, four hundred fifty-three million, eight thousand, seven hundred thirty-one".