18474750000 has 1120 divisors, whose sum is σ = 83698928640. Its totient is φ = 3801600000.

The previous prime is 18474749999. The next prime is 18474750011. The reversal of 18474750000 is 5747481.

18474750000 is a `hidden beast` number, since 1 + 84 + 74 + 7 + 500 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 803249989 + ... + 803250011.

Almost surely, 2^18474750000 is an apocalyptic number.

18474750000 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 18474750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41849464320).

18474750000 is an abundant number, since it is smaller than the sum of its proper divisors (65224178640).

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

18474750000 is an equidigital number, since it uses as much as digits as its factorization.

18474750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 18474750000 in words is "eighteen billion, four hundred seventy-four million, seven hundred fifty thousand".