18374292384 has 48 divisors (see below), whose sum is σ = 55122879168. Its totient is φ = 5249797632.

The previous prime is 18374292383. The next prime is 18374292403. The reversal of 18374292384 is 48329247381.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×18374292384² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18374292383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13670677 + ... + 13672020.

It is an arithmetic number, because the mean of its divisors is an integer number (1148393316).

Almost surely, 2^18374292384 is an apocalyptic number.

18374292384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18374292384 is an abundant number, since it is smaller than the sum of its proper divisors (36748586784).

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

18374292384 is a wasteful number, since it uses less digits than its factorization.

18374292384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27342717 (or 27342709 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The spelling of 18374292384 in words is "eighteen billion, three hundred seventy-four million, two hundred ninety-two thousand, three hundred eighty-four".