1240330142055 has 32 divisors (see below), whose sum is σ = 2010864844800. Its totient is φ = 652740671232.

The previous prime is 1240330142053. The next prime is 1240330142089. The reversal of 1240330142055 is 5502410330421.

It is not a de Polignac number, because 1240330142055 - 2¹ = 1240330142053 is a prime.

It is a super-2 number, since 2×1240330142055² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240330142053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1647706 + ... + 2279384.

It is an arithmetic number, because the mean of its divisors is an integer number (62839526400).

Almost surely, 2^{1240330142055} is an apocalyptic number.

1240330142055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1240330142055 is a deficient number, since it is larger than the sum of its proper divisors (770534702745).

1240330142055 is a wasteful number, since it uses less digits than its factorization.

1240330142055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633423.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1240330142055 its reverse (5502410330421), we get a palindrome (6742740472476).

The spelling of 1240330142055 in words is "one trillion, two hundred forty billion, three hundred thirty million, one hundred forty-two thousand, fifty-five".