13449526272 has 792 divisors, whose sum is σ = 50965387200. Its totient is φ = 3381460992.

The previous prime is 13449526261. The next prime is 13449526303. The reversal of 13449526272 is 27262594431.

13449526272 is a `hidden beast` number, since 1 + 34 + 495 + 2 + 62 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 170247129 + ... + 170247207.

Almost surely, 2^13449526272 is an apocalyptic number.

13449526272 is a gapful number since it is divisible by the number (12) 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 13449526272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25482693600).

13449526272 is an abundant number, since it is smaller than the sum of its proper divisors (37515860928).

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

13449526272 is a wasteful number, since it uses less digits than its factorization.

13449526272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 133 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 13449526272 in words is "thirteen billion, four hundred forty-nine million, five hundred twenty-six thousand, two hundred seventy-two".