13228237464 has 64 divisors (see below), whose sum is σ = 35870822400. Its totient is φ = 4040931456.

The previous prime is 13228237439. The next prime is 13228237471. The reversal of 13228237464 is 46473282231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109144 + ... + 195879.

It is an arithmetic number, because the mean of its divisors is an integer number (560481600).

Almost surely, 2^13228237464 is an apocalyptic number.

It is an amenable number.

13228237464 is an abundant number, since it is smaller than the sum of its proper divisors (22642584936).

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

13228237464 is a wasteful number, since it uses less digits than its factorization.

13228237464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305184 (or 305180 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The spelling of 13228237464 in words is "thirteen billion, two hundred twenty-eight million, two hundred thirty-seven thousand, four hundred sixty-four".