13350354440 has 64 divisors (see below), whose sum is σ = 30921050160. Its totient is φ = 5185290240.

The previous prime is 13350354401. The next prime is 13350354469. The reversal of 13350354440 is 4445305331.

It can be written as a sum of positive squares in 8 ways, for example, as 3032264356 + 10318090084 = 55066^2 + 101578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13350354397 and 13350354406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173180 + ... + 238100.

Almost surely, 2^13350354440 is an apocalyptic number.

13350354440 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 13350354440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15460525080).

13350354440 is an abundant number, since it is smaller than the sum of its proper divisors (17570695720).

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

13350354440 is a wasteful number, since it uses less digits than its factorization.

13350354440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65082 (or 65078 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 13350354440 its reverse (4445305331), we get a palindrome (17795659771).

The spelling of 13350354440 in words is "thirteen billion, three hundred fifty million, three hundred fifty-four thousand, four hundred forty".