18682509460 has 48 divisors (see below), whose sum is σ = 40953330432. Its totient is φ = 7145600000.

The previous prime is 18682509413. The next prime is 18682509473. The reversal of 18682509460 is 6490528681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1835385 + ... + 1845535.

It is an arithmetic number, because the mean of its divisors is an integer number (853194384).

Almost surely, 2^18682509460 is an apocalyptic number.

18682509460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18682509460 is an abundant number, since it is smaller than the sum of its proper divisors (22270820972).

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

18682509460 is a wasteful number, since it uses less digits than its factorization.

18682509460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14184 (or 14182 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 18682509460 in words is "eighteen billion, six hundred eighty-two million, five hundred nine thousand, four hundred sixty".