13421401200340 has 96 divisors (see below), whose sum is σ = 34056068014080. Its totient is φ = 4340227826304.

The previous prime is 13421401200281. The next prime is 13421401200341. The reversal of 13421401200340 is 4300210412431.

It is a super-2 number, since 2×13421401200340² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421401200341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10509924 + ... + 11717563.

It is an arithmetic number, because the mean of its divisors is an integer number (354750708480).

Almost surely, 2^{13421401200340} is an apocalyptic number.

13421401200340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13421401200340 is an abundant number, since it is smaller than the sum of its proper divisors (20634666813740).

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

13421401200340 is a wasteful number, since it uses less digits than its factorization.

13421401200340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22227749 (or 22227747 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13421401200340 its reverse (4300210412431), we get a palindrome (17721611612771).

The spelling of 13421401200340 in words is "thirteen trillion, four hundred twenty-one billion, four hundred one million, two hundred thousand, three hundred forty".