1140240432469 has 2 divisors, whose sum is σ = 1140240432470. Its totient is φ = 1140240432468.

The previous prime is 1140240432431. The next prime is 1140240432497. The reversal of 1140240432469 is 9642340420411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1091878704900 + 48361727569 = 1044930^2 + 219913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140240432469 - 2¹³ = 1140240424277 is a prime.

It is a super-2 number, since 2×1140240432469² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140240432769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570120216234 + 570120216235.

It is an arithmetic number, because the mean of its divisors is an integer number (570120216235).

Almost surely, 2^{1140240432469} is an apocalyptic number.

It is an amenable number.

1140240432469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140240432469 is an equidigital number, since it uses as much as digits as its factorization.

1140240432469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 1140240432469 in words is "one trillion, one hundred forty billion, two hundred forty million, four hundred thirty-two thousand, four hundred sixty-nine".