18948044948 has 24 divisors (see below), whose sum is σ = 37910312832. Its totient is φ = 8117542944.

The previous prime is 18948044881. The next prime is 18948044953. The reversal of 18948044948 is 84944084981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50240 + ... + 201047.

It is an arithmetic number, because the mean of its divisors is an integer number (1579596368).

Almost surely, 2^18948044948 is an apocalyptic number.

It is an amenable number.

18948044948 is an abundant number, since it is smaller than the sum of its proper divisors (18962267884).

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

18948044948 is a wasteful number, since it uses less digits than its factorization.

18948044948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253991 (or 253989 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 59.

The spelling of 18948044948 in words is "eighteen billion, nine hundred forty-eight million, forty-four thousand, nine hundred forty-eight".