18505435282 has 64 divisors (see below), whose sum is σ = 30706128000. Its totient is φ = 8330370048.

The previous prime is 18505435241. The next prime is 18505435283. The reversal of 18505435282 is 28253450581.

It is a super-2 number, since 2×18505435282² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18505435283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21542569 + ... + 21543427.

It is an arithmetic number, because the mean of its divisors is an integer number (479783250).

Almost surely, 2^18505435282 is an apocalyptic number.

18505435282 is a deficient number, since it is larger than the sum of its proper divisors (12200692718).

18505435282 is a wasteful number, since it uses less digits than its factorization.

18505435282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195.

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 18505435282 in words is "eighteen billion, five hundred five million, four hundred thirty-five thousand, two hundred eighty-two".