13144430000 has 100 divisors (see below), whose sum is σ = 34272316848. Its totient is φ = 4853280000.

The previous prime is 13144429993. The next prime is 13144430021. The reversal of 13144430000 is 3444131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79445 + ... + 180555.

Almost surely, 2^13144430000 is an apocalyptic number.

13144430000 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 13144430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17136158424).

13144430000 is an abundant number, since it is smaller than the sum of its proper divisors (21127886848).

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

13144430000 is a wasteful number, since it uses less digits than its factorization.

13144430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101152 (or 101131 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13144430000 its reverse (3444131), we get a palindrome (13147874131).

The spelling of 13144430000 in words is "thirteen billion, one hundred forty-four million, four hundred thirty thousand".