1345440240265 has 32 divisors (see below), whose sum is σ = 1865062713600. Its totient is φ = 920867481600.

The previous prime is 1345440240239. The next prime is 1345440240281. The reversal of 1345440240265 is 5620420445431.

It is a de Polignac number, because none of the positive numbers 2^k-1345440240265 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12849925 + ... + 12954205.

It is an arithmetic number, because the mean of its divisors is an integer number (58283209800).

Almost surely, 2^{1345440240265} is an apocalyptic number.

It is an amenable number.

1345440240265 is a deficient number, since it is larger than the sum of its proper divisors (519622473335).

1345440240265 is a wasteful number, since it uses less digits than its factorization.

1345440240265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118113.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 1345440240265 its reverse (5620420445431), we get a palindrome (6965860685696).

The spelling of 1345440240265 in words is "one trillion, three hundred forty-five billion, four hundred forty million, two hundred forty thousand, two hundred sixty-five".