1320560044402 has 4 divisors (see below), whose sum is σ = 1980840066606. Its totient is φ = 660280022200.

The previous prime is 1320560044373. The next prime is 1320560044451. The reversal of 1320560044402 is 2044400650231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1311508234521 + 9051809881 = 1145211^2 + 95141^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330140011099 + ... + 330140011102.

Almost surely, 2^{1320560044402} is an apocalyptic number.

1320560044402 is a deficient number, since it is larger than the sum of its proper divisors (660280022204).

1320560044402 is an equidigital number, since it uses as much as digits as its factorization.

1320560044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660280022203.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1320560044402 its reverse (2044400650231), we get a palindrome (3364960694633).

The spelling of 1320560044402 in words is "one trillion, three hundred twenty billion, five hundred sixty million, forty-four thousand, four hundred two".