18708042528 has 240 divisors, whose sum is σ = 63015986880. Its totient is φ = 5333589504.

The previous prime is 18708042499. The next prime is 18708042539. The reversal of 18708042528 is 82524080781.

It is a happy number.

18708042528 is a `hidden beast` number, since 1 + 8 + 7 + 0 + 80 + 42 + 528 = 666.

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 39 ways as a sum of consecutive naturals, for example, 11847243 + ... + 11848821.

It is an arithmetic number, because the mean of its divisors is an integer number (262566612).

Almost surely, 2^18708042528 is an apocalyptic number.

18708042528 is a gapful number since it is divisible by the number (18) 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 18708042528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31507993440).

18708042528 is an abundant number, since it is smaller than the sum of its proper divisors (44307944352).

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

18708042528 is a wasteful number, since it uses less digits than its factorization.

18708042528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 18708042528 in words is "eighteen billion, seven hundred eight million, forty-two thousand, five hundred twenty-eight".