28182532818 has 16 divisors (see below), whose sum is σ = 61489162656. Its totient is φ = 8540161440.

The previous prime is 28182532817. The next prime is 28182532871. The reversal of 28182532818 is 81823528182.

It is a super-2 number, since 2×28182532818² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28182532817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213503971 + ... + 213504102.

It is an arithmetic number, because the mean of its divisors is an integer number (3843072666).

Almost surely, 2^28182532818 is an apocalyptic number.

28182532818 is an abundant number, since it is smaller than the sum of its proper divisors (33306629838).

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

28182532818 is a wasteful number, since it uses less digits than its factorization.

28182532818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427008089.

The product of its digits is 491520, while the sum is 48.

The spelling of 28182532818 in words is "twenty-eight billion, one hundred eighty-two million, five hundred thirty-two thousand, eight hundred eighteen".