18382651392 has 408 divisors, whose sum is σ = 60724670016. Its totient is φ = 4841275392.

The previous prime is 18382651367. The next prime is 18382651433. The reversal of 18382651392 is 29315628381.

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 23 ways as a sum of consecutive naturals, for example, 496828398 + ... + 496828434.

Almost surely, 2^18382651392 is an apocalyptic number.

18382651392 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 18382651392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30362335008).

18382651392 is an abundant number, since it is smaller than the sum of its proper divisors (42342018624).

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

18382651392 is an frugal number, since it uses more digits than its factorization.

18382651392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 68 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 18382651392 in words is "eighteen billion, three hundred eighty-two million, six hundred fifty-one thousand, three hundred ninety-two".