1340220525344 has 48 divisors (see below), whose sum is σ = 2645353777248. Its totient is φ = 668385902592.

The previous prime is 1340220525271. The next prime is 1340220525403. The reversal of 1340220525344 is 4435250220431.

It is a happy number.

It is a super-3 number, since 3×1340220525344³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36848672 + ... + 36885024.

It is an arithmetic number, because the mean of its divisors is an integer number (55111537026).

Almost surely, 2^{1340220525344} is an apocalyptic number.

It is an amenable number.

1340220525344 is a deficient number, since it is larger than the sum of its proper divisors (1305133251904).

1340220525344 is a wasteful number, since it uses less digits than its factorization.

1340220525344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39297 (or 39289 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 1340220525344 its reverse (4435250220431), we get a palindrome (5775470745775).

The spelling of 1340220525344 in words is "one trillion, three hundred forty billion, two hundred twenty million, five hundred twenty-five thousand, three hundred forty-four".