13345404500 has 48 divisors (see below), whose sum is σ = 29226183168. Its totient is φ = 5323543200.

The previous prime is 13345404473. The next prime is 13345404521. The reversal of 13345404500 is 540454331.

It is a congruent number.

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, 147137 + ... + 219863.

It is an arithmetic number, because the mean of its divisors is an integer number (608878816).

Almost surely, 2^13345404500 is an apocalyptic number.

13345404500 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 13345404500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14613091584).

13345404500 is an abundant number, since it is smaller than the sum of its proper divisors (15880778668).

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

13345404500 is a wasteful number, since it uses less digits than its factorization.

13345404500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73113 (or 73101 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 13345404500 its reverse (540454331), we get a palindrome (13885858831).

The spelling of 13345404500 in words is "thirteen billion, three hundred forty-five million, four hundred four thousand, five hundred".