18075533030828 has 48 divisors (see below), whose sum is σ = 38935132938240. Its totient is φ = 7150169692224.

The previous prime is 18075533030827. The next prime is 18075533030903. The reversal of 18075533030828 is 82803033557081.

It is a self number, because there is not a number n which added to its sum of digits gives 18075533030828.

It is not an unprimeable number, because it can be changed into a prime (18075533030827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2375333 + ... + 6464771.

It is an arithmetic number, because the mean of its divisors is an integer number (811148602880).

Almost surely, 2^{18075533030828} is an apocalyptic number.

It is an amenable number.

18075533030828 is an abundant number, since it is smaller than the sum of its proper divisors (20859599907412).

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

18075533030828 is a wasteful number, since it uses less digits than its factorization.

18075533030828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101606 (or 4101604 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 18075533030828 in words is "eighteen trillion, seventy-five billion, five hundred thirty-three million, thirty thousand, eight hundred twenty-eight".