18788049000 has 192 divisors, whose sum is σ = 72575792640. Its totient is φ = 4294396800.

The previous prime is 18788048999. The next prime is 18788049013. The reversal of 18788049000 is 94088781.

18788049000 is a `hidden beast` number, since 1 + 87 + 8 + 80 + 490 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86112 + ... + 212111.

It is an arithmetic number, because the mean of its divisors is an integer number (377998920).

Almost surely, 2^18788049000 is an apocalyptic number.

18788049000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18788049000 is an abundant number, since it is smaller than the sum of its proper divisors (53787743640).

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

18788049000 is a wasteful number, since it uses less digits than its factorization.

18788049000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298257 (or 298240 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 18788049000 in words is "eighteen billion, seven hundred eighty-eight million, forty-nine thousand".