13302400143440 has 40 divisors (see below), whose sum is σ = 30928317711720. Its totient is φ = 5320919218176.

The previous prime is 13302400143419. The next prime is 13302400143491. The reversal of 13302400143440 is 4434100420331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4314444111376 + 8987956032064 = 2077124^2 + 2997992^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11218652 + ... + 12347588.

It is an arithmetic number, because the mean of its divisors is an integer number (773207942793).

Almost surely, 2^{13302400143440} is an apocalyptic number.

13302400143440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13302400143440 is an abundant number, since it is smaller than the sum of its proper divisors (17625917568280).

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

13302400143440 is a wasteful number, since it uses less digits than its factorization.

13302400143440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276239 (or 1276233 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13302400143440 its reverse (4434100420331), we get a palindrome (17736500563771).

The spelling of 13302400143440 in words is "thirteen trillion, three hundred two billion, four hundred million, one hundred forty-three thousand, four hundred forty".