13226190488 has 32 divisors (see below), whose sum is σ = 28365271200. Its totient is φ = 5663680512.

The previous prime is 13226190449. The next prime is 13226190547. The reversal of 13226190488 is 88409162231.

It is a happy number.

It is a super-2 number, since 2×13226190488² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28883 + ... + 165186.

It is an arithmetic number, because the mean of its divisors is an integer number (886414725).

Almost surely, 2^13226190488 is an apocalyptic number.

It is an amenable number.

13226190488 is an abundant number, since it is smaller than the sum of its proper divisors (15139080712).

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

13226190488 is a wasteful number, since it uses less digits than its factorization.

13226190488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195299 (or 195295 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 13226190488 in words is "thirteen billion, two hundred twenty-six million, one hundred ninety thousand, four hundred eighty-eight".