13445544200 has 144 divisors (see below), whose sum is σ = 34707661380. Its totient is φ = 4840000000.

The previous prime is 13445544193. The next prime is 13445544289. The reversal of 13445544200 is 244554431.

It can be written as a sum of positive squares in 6 ways, for example, as 12201853444 + 1243690756 = 110462^2 + 35266^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2441450 + ... + 2446950.

Almost surely, 2^13445544200 is an apocalyptic number.

13445544200 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 13445544200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17353830690).

13445544200 is an abundant number, since it is smaller than the sum of its proper divisors (21262117180).

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

13445544200 is a wasteful number, since it uses less digits than its factorization.

13445544200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640 (or 5620 counting only the distinct ones).

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

The spelling of 13445544200 in words is "thirteen billion, four hundred forty-five million, five hundred forty-four thousand, two hundred".