18302519712 has 96 divisors (see below), whose sum is σ = 48869678592. Its totient is φ = 5996415744.

The previous prime is 18302519693. The next prime is 18302519731. The reversal of 18302519712 is 21791520381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18302519693) and next prime (18302519731).

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3129463 + ... + 3135305.

It is an arithmetic number, because the mean of its divisors is an integer number (509059152).

Almost surely, 2^18302519712 is an apocalyptic number.

18302519712 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 18302519712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24434839296).

18302519712 is an abundant number, since it is smaller than the sum of its proper divisors (30567158880).

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

18302519712 is a wasteful number, since it uses less digits than its factorization.

18302519712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410 (or 6402 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 18302519712 in words is "eighteen billion, three hundred two million, five hundred nineteen thousand, seven hundred twelve".