18830438750 has 40 divisors (see below), whose sum is σ = 35391277416. Its totient is φ = 7511796000.

The previous prime is 18830438747. The next prime is 18830438777. The reversal of 18830438750 is 5783403881.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18830438695 and 18830438704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 446057 + ... + 486443.

Almost surely, 2^18830438750 is an apocalyptic number.

18830438750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18830438750 is a deficient number, since it is larger than the sum of its proper divisors (16560838666).

18830438750 is an equidigital number, since it uses as much as digits as its factorization.

18830438750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40782 (or 40767 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 18830438750 in words is "eighteen billion, eight hundred thirty million, four hundred thirty-eight thousand, seven hundred fifty".