18816750030 has 64 divisors (see below), whose sum is σ = 48649144320. Its totient is φ = 4630379136.

The previous prime is 18816750019. The next prime is 18816750049. The reversal of 18816750030 is 3005761881.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1829041 + ... + 1839299.

It is an arithmetic number, because the mean of its divisors is an integer number (760142880).

Almost surely, 2^18816750030 is an apocalyptic number.

18816750030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18816750030 is an abundant number, since it is smaller than the sum of its proper divisors (29832394290).

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

18816750030 is a wasteful number, since it uses less digits than its factorization.

18816750030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14985.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 18816750030 in words is "eighteen billion, eight hundred sixteen million, seven hundred fifty thousand, thirty".