13403445120 has 384 divisors, whose sum is σ = 52473002400. Its totient is φ = 3125329920.

The previous prime is 13403445119. The next prime is 13403445137. The reversal of 13403445120 is 2154430431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1418010 + ... + 1427430.

Almost surely, 2^13403445120 is an apocalyptic number.

13403445120 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 13403445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26236501200).

13403445120 is an abundant number, since it is smaller than the sum of its proper divisors (39069557280).

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

13403445120 is a wasteful number, since it uses less digits than its factorization.

13403445120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9478 (or 9463 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 13403445120 its reverse (2154430431), we get a palindrome (15557875551).

The spelling of 13403445120 in words is "thirteen billion, four hundred three million, four hundred forty-five thousand, one hundred twenty".