1340231244320 has 24 divisors (see below), whose sum is σ = 3166296315084. Its totient is φ = 536092497664.

The previous prime is 1340231244293. The next prime is 1340231244347. The reversal of 1340231244320 is 234421320431.

It is an interprime number because it is at equal distance from previous prime (1340231244293) and next prime (1340231244347).

It can be written as a sum of positive squares in 2 ways, for example, as 1301360755984 + 38870488336 = 1140772^2 + 197156^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4188222479 + ... + 4188222798.

Almost surely, 2^{1340231244320} is an apocalyptic number.

1340231244320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340231244320 is an abundant number, since it is smaller than the sum of its proper divisors (1826065070764).

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

1340231244320 is an equidigital number, since it uses as much as digits as its factorization.

1340231244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8376445292 (or 8376445284 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1340231244320 its reverse (234421320431), we get a palindrome (1574652564751).

The spelling of 1340231244320 in words is "one trillion, three hundred forty billion, two hundred thirty-one million, two hundred forty-four thousand, three hundred twenty".