13552224440000 has 140 divisors (see below), whose sum is σ = 33937846137888. Its totient is φ = 5367216000000.

The previous prime is 13552224439987. The next prime is 13552224440009. The reversal of 13552224440000 is 4442225531.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (13552224440009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2362745 + ... + 5717255.

Almost surely, 2^{13552224440000} is an apocalyptic number.

13552224440000 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 13552224440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16968923068944).

13552224440000 is an abundant number, since it is smaller than the sum of its proper divisors (20385621697888).

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

13552224440000 is an equidigital number, since it uses as much as digits as its factorization.

13552224440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354644 (or 3354619 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 13552224440000 its reverse (4442225531), we get a palindrome (13556666665531).

The spelling of 13552224440000 in words is "thirteen trillion, five hundred fifty-two billion, two hundred twenty-four million, four hundred forty thousand".