13264751808 has 1008 divisors, whose sum is σ = 53121519360. Its totient is φ = 3202467840.

The previous prime is 13264751803. The next prime is 13264751809. The reversal of 13264751808 is 80815746231.

It is a tau number, because it is divible by the number of its divisors (1008).

It is not an unprimeable number, because it can be changed into a prime (13264751803) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 250278310 + ... + 250278362.

It is an arithmetic number, because the mean of its divisors is an integer number (52699920).

Almost surely, 2^13264751808 is an apocalyptic number.

13264751808 is a gapful number since it is divisible by the number (18) 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 13264751808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26560759680).

13264751808 is an abundant number, since it is smaller than the sum of its proper divisors (39856767552).

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

13264751808 is a wasteful number, since it uses less digits than its factorization.

13264751808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 13264751808 in words is "thirteen billion, two hundred sixty-four million, seven hundred fifty-one thousand, eight hundred eight".