18483001728 has 64 divisors (see below), whose sum is σ = 49787032320. Its totient is φ = 6074216960.

The previous prime is 18483001721. The next prime is 18483001729. The reversal of 18483001728 is 82710038481.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 18483001728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18483001721) 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, 311700 + ... + 366227.

It is an arithmetic number, because the mean of its divisors is an integer number (777922380).

Almost surely, 2^18483001728 is an apocalyptic number.

It is an amenable number.

18483001728 is an abundant number, since it is smaller than the sum of its proper divisors (31304030592).

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

18483001728 is an equidigital number, since it uses as much as digits as its factorization.

18483001728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678015 (or 678003 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 18483001728 in words is "eighteen billion, four hundred eighty-three million, one thousand, seven hundred twenty-eight".