1340302415420 has 48 divisors (see below), whose sum is σ = 2832855046560. Its totient is φ = 532651202304.

The previous prime is 1340302415393. The next prime is 1340302415423. The reversal of 1340302415420 is 245142030431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340302415423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45160346 + ... + 45190014.

It is an arithmetic number, because the mean of its divisors is an integer number (59017813470).

Almost surely, 2^{1340302415420} is an apocalyptic number.

1340302415420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340302415420 is an abundant number, since it is smaller than the sum of its proper divisors (1492552631140).

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

1340302415420 is a wasteful number, since it uses less digits than its factorization.

1340302415420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44222 (or 44220 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1340302415420 its reverse (245142030431), we get a palindrome (1585444445851).

The spelling of 1340302415420 in words is "one trillion, three hundred forty billion, three hundred two million, four hundred fifteen thousand, four hundred twenty".