18341405548 has 12 divisors (see below), whose sum is σ = 32106310432. Its totient is φ = 9168174000.

The previous prime is 18341405543. The next prime is 18341405557. The reversal of 18341405548 is 84550414381.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18341405543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615828 + ... + 644923.

Almost surely, 2^18341405548 is an apocalyptic number.

It is an amenable number.

18341405548 is a deficient number, since it is larger than the sum of its proper divisors (13764904884).

18341405548 is a wasteful number, since it uses less digits than its factorization.

18341405548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264392 (or 1264390 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 18341405548 in words is "eighteen billion, three hundred forty-one million, four hundred five thousand, five hundred forty-eight".