40503144130457 has 2 divisors, whose sum is σ = 40503144130458. Its totient is φ = 40503144130456.

The previous prime is 40503144130433. The next prime is 40503144130507. The reversal of 40503144130457 is 75403144130504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39316273332361 + 1186870798096 = 6270269^2 + 1089436^2 .

It is a cyclic number.

It is not a de Polignac number, because 40503144130457 - 2⁸ = 40503144130201 is a prime.

It is not a weakly prime, because it can be changed into another prime (40503144150457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20251572065228 + 20251572065229.

It is an arithmetic number, because the mean of its divisors is an integer number (20251572065229).

Almost surely, 2^{40503144130457} is an apocalyptic number.

It is an amenable number.

40503144130457 is a deficient number, since it is larger than the sum of its proper divisors (1).

40503144130457 is an equidigital number, since it uses as much as digits as its factorization.

40503144130457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 40503144130457 in words is "forty trillion, five hundred three billion, one hundred forty-four million, one hundred thirty thousand, four hundred fifty-seven".