1342440012605 has 16 divisors (see below), whose sum is σ = 1705784571504. Its totient is φ = 1010721423360.

The previous prime is 1342440012601. The next prime is 1342440012631. The reversal of 1342440012605 is 5062100442431.

It can be written as a sum of positive squares in 8 ways, for example, as 32939709049 + 1309500303556 = 181493^2 + 1144334^2 .

It is not a de Polignac number, because 1342440012605 - 2² = 1342440012601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342440012601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104509 + ... + 1976061.

It is an arithmetic number, because the mean of its divisors is an integer number (106611535719).

Almost surely, 2^{1342440012605} is an apocalyptic number.

It is an amenable number.

1342440012605 is a deficient number, since it is larger than the sum of its proper divisors (363344558899).

1342440012605 is a wasteful number, since it uses less digits than its factorization.

1342440012605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889696.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 1342440012605 in words is "one trillion, three hundred forty-two billion, four hundred forty million, twelve thousand, six hundred five".