13366241928 has 96 divisors (see below), whose sum is σ = 39054015000. Its totient is φ = 4105396224.

The previous prime is 13366241893. The next prime is 13366241947. The reversal of 13366241928 is 82914266331.

13366241928 is a `hidden beast` number, since 1 + 3 + 3 + 6 + 624 + 19 + 2 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13253074884 + 113167044 = 115122^2 + 10638^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527698 + ... + 552446.

Almost surely, 2^13366241928 is an apocalyptic number.

13366241928 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 13366241928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19527007500).

13366241928 is an abundant number, since it is smaller than the sum of its proper divisors (25687773072).

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

13366241928 is a wasteful number, since it uses less digits than its factorization.

13366241928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25351 (or 25344 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 13366241928 in words is "thirteen billion, three hundred sixty-six million, two hundred forty-one thousand, nine hundred twenty-eight".