1326605504242 has 16 divisors (see below), whose sum is σ = 1997391275712. Its totient is φ = 660809130480.

The previous prime is 1326605504227. The next prime is 1326605504243. The reversal of 1326605504242 is 2424055066231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1326605504195 and 1326605504204.

It is not an unprimeable number, because it can be changed into a prime (1326605504243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3592867 + ... + 3944857.

It is an arithmetic number, because the mean of its divisors is an integer number (124836954732).

Almost surely, 2^{1326605504242} is an apocalyptic number.

1326605504242 is a deficient number, since it is larger than the sum of its proper divisors (670785771470).

1326605504242 is a wasteful number, since it uses less digits than its factorization.

1326605504242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359073.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 1326605504242 in words is "one trillion, three hundred twenty-six billion, six hundred five million, five hundred four thousand, two hundred forty-two".