13143401440040 has 64 divisors (see below), whose sum is σ = 29841000696000. Its totient is φ = 5209675082752.

The previous prime is 13143401440031. The next prime is 13143401440073. The reversal of 13143401440040 is 4004410434131.

13143401440040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13143401439985 and 13143401440012.

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, 20122511 + ... + 20765409.

It is an arithmetic number, because the mean of its divisors is an integer number (466265635875).

Almost surely, 2^{13143401440040} is an apocalyptic number.

13143401440040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13143401440040 is an abundant number, since it is smaller than the sum of its proper divisors (16697599255960).

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

13143401440040 is a wasteful number, since it uses less digits than its factorization.

13143401440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647546 (or 647542 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 13143401440040 its reverse (4004410434131), we get a palindrome (17147811874171).

The spelling of 13143401440040 in words is "thirteen trillion, one hundred forty-three billion, four hundred one million, four hundred forty thousand, forty".