18848320752 has 20 divisors (see below), whose sum is σ = 48691495400. Its totient is φ = 6282773568.

The previous prime is 18848320727. The next prime is 18848320831. The reversal of 18848320752 is 25702384881.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 392673349 = 18848320752 / (1 + 8 + 8 + 4 + 8 + 3 + 2 + 0 + 7 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196336627 + ... + 196336722.

It is an arithmetic number, because the mean of its divisors is an integer number (2434574770).

Almost surely, 2^18848320752 is an apocalyptic number.

18848320752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18848320752 is an abundant number, since it is smaller than the sum of its proper divisors (29843174648).

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

18848320752 is a wasteful number, since it uses less digits than its factorization.

18848320752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392673360 (or 392673354 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 18848320752 in words is "eighteen billion, eight hundred forty-eight million, three hundred twenty thousand, seven hundred fifty-two".