18834308528 has 40 divisors (see below), whose sum is σ = 41722353408. Its totient is φ = 8068398912.

The previous prime is 18834308501. The next prime is 18834308557. The reversal of 18834308528 is 82580343881.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236675 + ... + 306077.

Almost surely, 2^18834308528 is an apocalyptic number.

It is an amenable number.

18834308528 is an abundant number, since it is smaller than the sum of its proper divisors (22888044880).

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

18834308528 is a wasteful number, since it uses less digits than its factorization.

18834308528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71841 (or 71835 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 18834308528 in words is "eighteen billion, eight hundred thirty-four million, three hundred eight thousand, five hundred twenty-eight".