13320474624 has 208 divisors, whose sum is σ = 39977322240. Its totient is φ = 4437172224.

The previous prime is 13320474613. The next prime is 13320474689. The reversal of 13320474624 is 42647402331.

13320474624 is a `hidden beast` number, since 1 + 3 + 3 + 20 + 4 + 7 + 4 + 624 = 666.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8957209 + ... + 8958695.

Almost surely, 2^13320474624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13320474624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19988661120).

13320474624 is an abundant number, since it is smaller than the sum of its proper divisors (26656847616).

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

13320474624 is an frugal number, since it uses more digits than its factorization.

13320474624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Adding to 13320474624 its reverse (42647402331), we get a palindrome (55967876955).

The spelling of 13320474624 in words is "thirteen billion, three hundred twenty million, four hundred seventy-four thousand, six hundred twenty-four".