1240041552455 has 16 divisors (see below), whose sum is σ = 1490226504480. Its totient is φ = 990582671232.

The previous prime is 1240041552437. The next prime is 1240041552467. The reversal of 1240041552455 is 5542551400421.

It is a cyclic number.

It is not a de Polignac number, because 1240041552455 - 2¹⁰ = 1240041551431 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 20839736 + ... + 20899154.

It is an arithmetic number, because the mean of its divisors is an integer number (93139156530).

Almost surely, 2^{1240041552455} is an apocalyptic number.

1240041552455 is a deficient number, since it is larger than the sum of its proper divisors (250184952025).

1240041552455 is an equidigital number, since it uses as much as digits as its factorization.

1240041552455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65458.

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 1240041552455 its reverse (5542551400421), we get a palindrome (6782592952876).

The spelling of 1240041552455 in words is "one trillion, two hundred forty billion, forty-one million, five hundred fifty-two thousand, four hundred fifty-five".