13401403410320 has 20 divisors (see below), whose sum is σ = 31158262929180. Its totient is φ = 5360561364096.

The previous prime is 13401403410277. The next prime is 13401403410349. The reversal of 13401403410320 is 2301430410431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2271012832144 + 11130390578176 = 1506988^2 + 3336224^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×13401403410320² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13401403410320.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83758771235 + ... + 83758771394.

It is an arithmetic number, because the mean of its divisors is an integer number (1557913146459).

Almost surely, 2^{13401403410320} is an apocalyptic number.

13401403410320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13401403410320 is an abundant number, since it is smaller than the sum of its proper divisors (17756859518860).

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

13401403410320 is a wasteful number, since it uses less digits than its factorization.

13401403410320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167517542642 (or 167517542636 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13401403410320 its reverse (2301430410431), we get a palindrome (15702833820751).

The spelling of 13401403410320 in words is "thirteen trillion, four hundred one billion, four hundred three million, four hundred ten thousand, three hundred twenty".