18836948000 has 192 divisors, whose sum is σ = 50193561600. Its totient is φ = 6906240000.

The previous prime is 18836947981. The next prime is 18836948003. The reversal of 18836948000 is 84963881.

It is not an unprimeable number, because it can be changed into a prime (18836948003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7850801 + ... + 7853199.

It is an arithmetic number, because the mean of its divisors is an integer number (261424800).

Almost surely, 2^18836948000 is an apocalyptic number.

18836948000 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 18836948000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25096780800).

18836948000 is an abundant number, since it is smaller than the sum of its proper divisors (31356613600).

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

18836948000 is a wasteful number, since it uses less digits than its factorization.

18836948000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588 (or 2570 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 18836948000 in words is "eighteen billion, eight hundred thirty-six million, nine hundred forty-eight thousand".