1340300302520 has 64 divisors (see below), whose sum is σ = 3067657164000. Its totient is φ = 526884115968.

The previous prime is 1340300302469. The next prime is 1340300302543. The reversal of 1340300302520 is 252030030431.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8448086 + ... + 8605274.

Almost surely, 2^{1340300302520} is an apocalyptic number.

1340300302520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340300302520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533828582000).

1340300302520 is an abundant number, since it is smaller than the sum of its proper divisors (1727356861480).

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

1340300302520 is a wasteful number, since it uses less digits than its factorization.

1340300302520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160872 (or 160868 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 1340300302520 its reverse (252030030431), we get a palindrome (1592330332951).

The spelling of 1340300302520 in words is "one trillion, three hundred forty billion, three hundred million, three hundred two thousand, five hundred twenty".