18385001484 has 96 divisors (see below), whose sum is σ = 45606070272. Its totient is φ = 5754240000.

The previous prime is 18385001461. The next prime is 18385001491. The reversal of 18385001484 is 48410058381.

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, 5517699 + ... + 5521029.

It is an arithmetic number, because the mean of its divisors is an integer number (475063232).

Almost surely, 2^18385001484 is an apocalyptic number.

It is an amenable number.

18385001484 is an abundant number, since it is smaller than the sum of its proper divisors (27221068788).

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

18385001484 is a wasteful number, since it uses less digits than its factorization.

18385001484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807 (or 3805 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 18385001484 in words is "eighteen billion, three hundred eighty-five million, one thousand, four hundred eighty-four".