28182217482 has 12 divisors (see below), whose sum is σ = 61061471250. Its totient is φ = 9394072488.

The previous prime is 28182217447. The next prime is 28182217493. The reversal of 28182217482 is 28471228182.

28182217482 is a `hidden beast` number, since 2 + 81 + 82 + 2 + 17 + 482 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23091537681 + 5090679801 = 151959^2 + 71349^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 782839357 + ... + 782839392.

Almost surely, 2^28182217482 is an apocalyptic number.

28182217482 is an abundant number, since it is smaller than the sum of its proper divisors (32879253768).

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

28182217482 is a wasteful number, since it uses less digits than its factorization.

28182217482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565678757 (or 1565678754 counting only the distinct ones).

The product of its digits is 229376, while the sum is 45.

The spelling of 28182217482 in words is "twenty-eight billion, one hundred eighty-two million, two hundred seventeen thousand, four hundred eighty-two".