1340420500244 has 12 divisors (see below), whose sum is σ = 2680841000544. Its totient is φ = 574465928664.

The previous prime is 1340420500193. The next prime is 1340420500247. The reversal of 1340420500244 is 4420050240431.

1340420500244 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340420500247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23936080334 + ... + 23936080389.

It is an arithmetic number, because the mean of its divisors is an integer number (223403416712).

Almost surely, 2^{1340420500244} is an apocalyptic number.

1340420500244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1340420500244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340420500244 is a wasteful number, since it uses less digits than its factorization.

1340420500244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47872160734 (or 47872160732 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 1340420500244 its reverse (4420050240431), we get a palindrome (5760470740675).

The spelling of 1340420500244 in words is "one trillion, three hundred forty billion, four hundred twenty million, five hundred thousand, two hundred forty-four".