18485848408 has 8 divisors (see below), whose sum is σ = 34660965780. Its totient is φ = 9242924200.

The previous prime is 18485848373. The next prime is 18485848417. The reversal of 18485848408 is 80484858481.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×18485848408² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155365518 + ... + 1155365533.

Almost surely, 2^18485848408 is an apocalyptic number.

It is an amenable number.

18485848408 is a deficient number, since it is larger than the sum of its proper divisors (16175117372).

18485848408 is a wasteful number, since it uses less digits than its factorization.

18485848408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310731057 (or 2310731053 counting only the distinct ones).

The product of its (nonzero) digits is 10485760, while the sum is 58.

The spelling of 18485848408 in words is "eighteen billion, four hundred eighty-five million, eight hundred forty-eight thousand, four hundred eight".