13043405000 has 320 divisors, whose sum is σ = 34309017600. Its totient is φ = 4626720000.

The previous prime is 13043404973. The next prime is 13043405009. The reversal of 13043405000 is 50434031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043405009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 126634949 + ... + 126635051.

It is an arithmetic number, because the mean of its divisors is an integer number (107215680).

Almost surely, 2^13043405000 is an apocalyptic number.

13043405000 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 13043405000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17154508800).

13043405000 is an abundant number, since it is smaller than the sum of its proper divisors (21265612600).

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

13043405000 is a wasteful number, since it uses less digits than its factorization.

13043405000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 13043405000 its reverse (50434031), we get a palindrome (13093839031).

The spelling of 13043405000 in words is "thirteen billion, forty-three million, four hundred five thousand".