1240404055532 has 12 divisors (see below), whose sum is σ = 2223651173016. Its totient is φ = 605075148960.

The previous prime is 1240404055523. The next prime is 1240404055603. The reversal of 1240404055532 is 2355504040421.

It is a junction number, because it is equal to n+sod(n) for n = 1240404055492 and 1240404055501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781719518 + ... + 3781719845.

It is an arithmetic number, because the mean of its divisors is an integer number (185304264418).

Almost surely, 2^{1240404055532} is an apocalyptic number.

It is an amenable number.

1240404055532 is a deficient number, since it is larger than the sum of its proper divisors (983247117484).

1240404055532 is a wasteful number, since it uses less digits than its factorization.

1240404055532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563439408 (or 7563439406 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 1240404055532 its reverse (2355504040421), we get a palindrome (3595908095953).

The spelling of 1240404055532 in words is "one trillion, two hundred forty billion, four hundred four million, fifty-five thousand, five hundred thirty-two".