13624642768 has 20 divisors (see below), whose sum is σ = 28797540768. Its totient is φ = 6193019360.

The previous prime is 13624642747. The next prime is 13624642769. The reversal of 13624642768 is 86724642631.

It is a super-2 number, since 2×13624642768² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13624642769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38706196 + ... + 38706547.

Almost surely, 2^13624642768 is an apocalyptic number.

It is an amenable number.

13624642768 is an abundant number, since it is smaller than the sum of its proper divisors (15172898000).

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

13624642768 is a wasteful number, since it uses less digits than its factorization.

13624642768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77412762 (or 77412756 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The spelling of 13624642768 in words is "thirteen billion, six hundred twenty-four million, six hundred forty-two thousand, seven hundred sixty-eight".