13319292280 has 128 divisors (see below), whose sum is σ = 34560276480. Its totient is φ = 4525424640.

The previous prime is 13319292263. The next prime is 13319292299. The reversal of 13319292280 is 8229291331.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19500819 + ... + 19501501.

It is an arithmetic number, because the mean of its divisors is an integer number (270002160).

Almost surely, 2^13319292280 is an apocalyptic number.

13319292280 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 13319292280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17280138240).

13319292280 is an abundant number, since it is smaller than the sum of its proper divisors (21240984200).

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

13319292280 is a wasteful number, since it uses less digits than its factorization.

13319292280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 13319292280 in words is "thirteen billion, three hundred nineteen million, two hundred ninety-two thousand, two hundred eighty".