1340542224505 has 8 divisors (see below), whose sum is σ = 1754891639424. Its totient is φ = 974939799600.

The previous prime is 1340542224491. The next prime is 1340542224529. The reversal of 1340542224505 is 5054222450431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1340542224505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12186747441 + ... + 12186747550.

It is an arithmetic number, because the mean of its divisors is an integer number (219361454928).

Almost surely, 2^{1340542224505} is an apocalyptic number.

It is an amenable number.

1340542224505 is a deficient number, since it is larger than the sum of its proper divisors (414349414919).

1340542224505 is a wasteful number, since it uses less digits than its factorization.

1340542224505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24373495007.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 1340542224505 its reverse (5054222450431), we get a palindrome (6394764674936).

The spelling of 1340542224505 in words is "one trillion, three hundred forty billion, five hundred forty-two million, two hundred twenty-four thousand, five hundred five".