18496450112 has 28 divisors (see below), whose sum is σ = 41947307520. Its totient is φ = 7927049856.

The previous prime is 18496450103. The next prime is 18496450139. The reversal of 18496450112 is 21105469481.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 18496450112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20642912 + ... + 20643807.

Almost surely, 2^18496450112 is an apocalyptic number.

It is an amenable number.

18496450112 is an abundant number, since it is smaller than the sum of its proper divisors (23450857408).

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

18496450112 is an equidigital number, since it uses as much as digits as its factorization.

18496450112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41286738 (or 41286728 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 18496450112 in words is "eighteen billion, four hundred ninety-six million, four hundred fifty thousand, one hundred twelve".