18488377024 has 56 divisors (see below), whose sum is σ = 39580228688. Its totient is φ = 8517934080.

The previous prime is 18488377001. The next prime is 18488377027. The reversal of 18488377024 is 42077388481.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (18488377027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455614 + ... + 494530.

It is an arithmetic number, because the mean of its divisors is an integer number (706789798).

Almost surely, 2^18488377024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18488377024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19790114344).

18488377024 is an abundant number, since it is smaller than the sum of its proper divisors (21091851664).

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

18488377024 is a wasteful number, since it uses less digits than its factorization.

18488377024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39513 (or 39503 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 52.

The spelling of 18488377024 in words is "eighteen billion, four hundred eighty-eight million, three hundred seventy-seven thousand, twenty-four".