13004450540 has 24 divisors (see below), whose sum is σ = 27413195040. Its totient is φ = 5181999488.

The previous prime is 13004450513. The next prime is 13004450549. The reversal of 13004450540 is 4505440031.

It is not an unprimeable number, because it can be changed into a prime (13004450549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230905 + ... + 1241424.

It is an arithmetic number, because the mean of its divisors is an integer number (1142216460).

Almost surely, 2^13004450540 is an apocalyptic number.

13004450540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13004450540 is an abundant number, since it is smaller than the sum of its proper divisors (14408744500).

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

13004450540 is a wasteful number, since it uses less digits than its factorization.

13004450540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472601 (or 2472599 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 13004450540 its reverse (4505440031), we get a palindrome (17509890571).

The spelling of 13004450540 in words is "thirteen billion, four million, four hundred fifty thousand, five hundred forty".