18529463448 has 48 divisors (see below), whose sum is σ = 52042634280. Its totient is φ = 6176487168.

The previous prime is 18529463419. The next prime is 18529463479. The reversal of 18529463448 is 84436492581.

18529463448 is a `hidden beast` number, since 1 + 8 + 5 + 294 + 6 + 344 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 18529463394 and 18529463403.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 4763865 + ... + 4767752.

Almost surely, 2^18529463448 is an apocalyptic number.

18529463448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18529463448 is an abundant number, since it is smaller than the sum of its proper divisors (33513170832).

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

18529463448 is an equidigital number, since it uses as much as digits as its factorization.

18529463448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531638 (or 9531622 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The spelling of 18529463448 in words is "eighteen billion, five hundred twenty-nine million, four hundred sixty-three thousand, four hundred forty-eight".