13421476320 has 288 divisors, whose sum is σ = 49860201888. Its totient is φ = 3025354752.

The previous prime is 13421476309. The next prime is 13421476337. The reversal of 13421476320 is 2367412431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1713052 + ... + 1720868.

It is an arithmetic number, because the mean of its divisors is an integer number (173125701).

Almost surely, 2^13421476320 is an apocalyptic number.

13421476320 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 13421476320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24930100944).

13421476320 is an abundant number, since it is smaller than the sum of its proper divisors (36438725568).

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

13421476320 is a wasteful number, since it uses less digits than its factorization.

13421476320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7922 (or 7907 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 13421476320 its reverse (2367412431), we get a palindrome (15788888751).

The spelling of 13421476320 in words is "thirteen billion, four hundred twenty-one million, four hundred seventy-six thousand, three hundred twenty".