13421407340 has 48 divisors (see below), whose sum is σ = 32365509120. Its totient is φ = 4623641280.

The previous prime is 13421407339. The next prime is 13421407357. The reversal of 13421407340 is 4370412431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1601252 + ... + 1609611.

It is an arithmetic number, because the mean of its divisors is an integer number (674281440).

Almost surely, 2^13421407340 is an apocalyptic number.

13421407340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13421407340 is an abundant number, since it is smaller than the sum of its proper divisors (18944101780).

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

13421407340 is a wasteful number, since it uses less digits than its factorization.

13421407340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210902 (or 3210900 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 13421407340 its reverse (4370412431), we get a palindrome (17791819771).

The spelling of 13421407340 in words is "thirteen billion, four hundred twenty-one million, four hundred seven thousand, three hundred forty".