13424126640 has 160 divisors (see below), whose sum is σ = 43480074240. Its totient is φ = 3419716608.

The previous prime is 13424126623. The next prime is 13424126641. The reversal of 13424126640 is 4662142431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13424126641) 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, 7854106 + ... + 7855814.

It is an arithmetic number, because the mean of its divisors is an integer number (271750464).

Almost surely, 2^13424126640 is an apocalyptic number.

13424126640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13424126640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21740037120).

13424126640 is an abundant number, since it is smaller than the sum of its proper divisors (30055947600).

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

13424126640 is a wasteful number, since it uses less digits than its factorization.

13424126640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 13424126640 in words is "thirteen billion, four hundred twenty-four million, one hundred twenty-six thousand, six hundred forty".