13444233330 has 128 divisors (see below), whose sum is σ = 36326174976. Its totient is φ = 3156070400.

The previous prime is 13444233259. The next prime is 13444233331. The reversal of 13444233330 is 3333244431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (13444233331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1849984 + ... + 1857236.

It is an arithmetic number, because the mean of its divisors is an integer number (283798242).

Almost surely, 2^13444233330 is an apocalyptic number.

13444233330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13444233330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18163087488).

13444233330 is an abundant number, since it is smaller than the sum of its proper divisors (22881941646).

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

13444233330 is a wasteful number, since it uses less digits than its factorization.

13444233330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7452.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 13444233330 its reverse (3333244431), we get a palindrome (16777477761).

The spelling of 13444233330 in words is "thirteen billion, four hundred forty-four million, two hundred thirty-three thousand, three hundred thirty".