13442403023504 has 160 divisors (see below), whose sum is σ = 33094917789696. Its totient is φ = 5145407815680.

The previous prime is 13442403023503. The next prime is 13442403023509. The reversal of 13442403023504 is 40532030424431.

It is not an unprimeable number, because it can be changed into a prime (13442403023503) 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, 286003334 + ... + 286050330.

Almost surely, 2^{13442403023504} is an apocalyptic number.

13442403023504 is a gapful number since it is divisible by the number (14) 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 13442403023504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16547458894848).

13442403023504 is an abundant number, since it is smaller than the sum of its proper divisors (19652514766192).

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

13442403023504 is a wasteful number, since it uses less digits than its factorization.

13442403023504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53393 (or 53387 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 13442403023504 its reverse (40532030424431), we get a palindrome (53974433447935).

The spelling of 13442403023504 in words is "thirteen trillion, four hundred forty-two billion, four hundred three million, twenty-three thousand, five hundred four".