1240041552467 has 2 divisors, whose sum is σ = 1240041552468. Its totient is φ = 1240041552466.

The previous prime is 1240041552437. The next prime is 1240041552499. The reversal of 1240041552467 is 7642551400421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1240041552467 - 2⁶ = 1240041552403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240041552437) 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, 620020776233 + 620020776234.

It is an arithmetic number, because the mean of its divisors is an integer number (620020776234).

Almost surely, 2^{1240041552467} is an apocalyptic number.

1240041552467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240041552467 is an equidigital number, since it uses as much as digits as its factorization.

1240041552467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 41.

Adding to 1240041552467 its reverse (7642551400421), we get a palindrome (8882592952888).

The spelling of 1240041552467 in words is "one trillion, two hundred forty billion, forty-one million, five hundred fifty-two thousand, four hundred sixty-seven".