18248479884 has 36 divisors (see below), whose sum is σ = 46133451000. Its totient is φ = 6082121280.

The previous prime is 18248479861. The next prime is 18248479897. The reversal of 18248479884 is 48897484281.

18248479884 is a `hidden beast` number, since 1 + 8 + 2 + 484 + 79 + 8 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×18248479884³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353824 + ... + 402104.

It is an arithmetic number, because the mean of its divisors is an integer number (1281484750).

Almost surely, 2^18248479884 is an apocalyptic number.

It is an amenable number.

18248479884 is an abundant number, since it is smaller than the sum of its proper divisors (27884971116).

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

18248479884 is a wasteful number, since it uses less digits than its factorization.

18248479884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58790 (or 58785 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 63.

The spelling of 18248479884 in words is "eighteen billion, two hundred forty-eight million, four hundred seventy-nine thousand, eight hundred eighty-four".