13439502720 has 512 divisors, whose sum is σ = 54862617600. Its totient is φ = 3045703680.

The previous prime is 13439502653. The next prime is 13439502733. The reversal of 13439502720 is 2720593431.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16571115 + ... + 16571925.

It is an arithmetic number, because the mean of its divisors is an integer number (107153550).

Almost surely, 2^13439502720 is an apocalyptic number.

13439502720 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 13439502720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27431308800).

13439502720 is an abundant number, since it is smaller than the sum of its proper divisors (41423114880).

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

13439502720 is a wasteful number, since it uses less digits than its factorization.

13439502720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 13439502720 in words is "thirteen billion, four hundred thirty-nine million, five hundred two thousand, seven hundred twenty".