18674363004448 has 48 divisors (see below), whose sum is σ = 36957413154816. Its totient is φ = 9288357949440.

The previous prime is 18674363004443. The next prime is 18674363004449. The reversal of 18674363004448 is 84440036347681.

It is a super-2 number, since 2×18674363004448² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18674363004392 and 18674363004401.

It is not an unprimeable number, because it can be changed into a prime (18674363004443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156458713 + ... + 156578023.

It is an arithmetic number, because the mean of its divisors is an integer number (769946107392).

Almost surely, 2^{18674363004448} is an apocalyptic number.

It is an amenable number.

18674363004448 is a deficient number, since it is larger than the sum of its proper divisors (18283050150368).

18674363004448 is a wasteful number, since it uses less digits than its factorization.

18674363004448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144857 (or 144849 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 58.

The spelling of 18674363004448 in words is "eighteen trillion, six hundred seventy-four billion, three hundred sixty-three million, four thousand, four hundred forty-eight".