13143305434440 has 64 divisors (see below), whose sum is σ = 39510221808960. Its totient is φ = 3497743182080.

The previous prime is 13143305434351. The next prime is 13143305434451. The reversal of 13143305434440 is 4443450334131.

It is a super-2 number, since 2×13143305434440² (a number of 27 digits) contains 22 as substring.

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, 111476259 + ... + 111594098.

It is an arithmetic number, because the mean of its divisors is an integer number (617347215765).

Almost surely, 2^{13143305434440} is an apocalyptic number.

13143305434440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13143305434440 is an abundant number, since it is smaller than the sum of its proper divisors (26366916374520).

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

13143305434440 is a wasteful number, since it uses less digits than its factorization.

13143305434440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223070862 (or 223070858 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 13143305434440 its reverse (4443450334131), we get a palindrome (17586755768571).

The spelling of 13143305434440 in words is "thirteen trillion, one hundred forty-three billion, three hundred five million, four hundred thirty-four thousand, four hundred forty".