18548579560 has 96 divisors (see below), whose sum is σ = 48779241120. Its totient is φ = 6329232000.

The previous prime is 18548579549. The next prime is 18548579561. The reversal of 18548579560 is 6597584581.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18548579495 and 18548579504.

It is not an unprimeable number, because it can be changed into a prime (18548579561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391135 + ... + 435985.

It is an arithmetic number, because the mean of its divisors is an integer number (508117095).

Almost surely, 2^18548579560 is an apocalyptic number.

18548579560 is a gapful number since it is divisible by the number (10) 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 18548579560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24389620560).

18548579560 is an abundant number, since it is smaller than the sum of its proper divisors (30230661560).

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

18548579560 is a wasteful number, since it uses less digits than its factorization.

18548579560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45087 (or 45076 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 58.

The spelling of 18548579560 in words is "eighteen billion, five hundred forty-eight million, five hundred seventy-nine thousand, five hundred sixty".