18483788190 has 32 divisors (see below), whose sum is σ = 50698391040. Its totient is φ = 4224865824.

The previous prime is 18483788189. The next prime is 18483788201. The reversal of 18483788190 is 9188738481.

It is a super-2 number, since 2×18483788190² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18483788190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44008810 + ... + 44009229.

It is an arithmetic number, because the mean of its divisors is an integer number (1584324720).

Almost surely, 2^18483788190 is an apocalyptic number.

18483788190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18483788190 is an abundant number, since it is smaller than the sum of its proper divisors (32214602850).

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

18483788190 is a wasteful number, since it uses less digits than its factorization.

18483788190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88018056.

The product of its (nonzero) digits is 3096576, while the sum is 57.

The spelling of 18483788190 in words is "eighteen billion, four hundred eighty-three million, seven hundred eighty-eight thousand, one hundred ninety".