18744341952 has 224 divisors, whose sum is σ = 59940163584. Its totient is φ = 5055897600.

The previous prime is 18744341923. The next prime is 18744341963. The reversal of 18744341952 is 25914344781.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1702738 + ... + 1713710.

It is an arithmetic number, because the mean of its divisors is an integer number (267590016).

Almost surely, 2^18744341952 is an apocalyptic number.

18744341952 is a gapful number since it is divisible by the number (12) 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 18744341952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29970081792).

18744341952 is an abundant number, since it is smaller than the sum of its proper divisors (41195821632).

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

18744341952 is a wasteful number, since it uses less digits than its factorization.

18744341952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11067 (or 11057 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The spelling of 18744341952 in words is "eighteen billion, seven hundred forty-four million, three hundred forty-one thousand, nine hundred fifty-two".