28417826650 has 12 divisors (see below), whose sum is σ = 52857157662. Its totient is φ = 11367130640.

The previous prime is 28417826629. The next prime is 28417826669. The reversal of 28417826650 is 5662871482.

It can be written as a sum of positive squares in 3 ways, for example, as 22810362961 + 5607463689 = 151031^2 + 74883^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28417826594 and 28417826603.

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, 284178217 + ... + 284178316.

Almost surely, 2^28417826650 is an apocalyptic number.

28417826650 is a deficient number, since it is larger than the sum of its proper divisors (24439331012).

28417826650 is a wasteful number, since it uses less digits than its factorization.

28417826650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568356545 (or 568356540 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 28417826650 in words is "twenty-eight billion, four hundred seventeen million, eight hundred twenty-six thousand, six hundred fifty".