18508276748 has 12 divisors (see below), whose sum is σ = 34880983200. Its totient is φ = 8542281552.

The previous prime is 18508276739. The next prime is 18508276783. The reversal of 18508276748 is 84767280581.

It is a junction number, because it is equal to n+sod(n) for n = 18508276693 and 18508276702.

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, 177964148 + ... + 177964251.

It is an arithmetic number, because the mean of its divisors is an integer number (2906748600).

Almost surely, 2^18508276748 is an apocalyptic number.

It is an amenable number.

18508276748 is a deficient number, since it is larger than the sum of its proper divisors (16372706452).

18508276748 is a wasteful number, since it uses less digits than its factorization.

18508276748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355928416 (or 355928414 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 18508276748 in words is "eighteen billion, five hundred eight million, two hundred seventy-six thousand, seven hundred forty-eight".