28650325456 has 10 divisors (see below), whose sum is σ = 55510005602. Its totient is φ = 14325162720.

The previous prime is 28650325447. The next prime is 28650325499. The reversal of 28650325456 is 65452305682.

It can be written as a sum of positive squares in only one way, i.e., 28195783056 + 454542400 = 167916^2 + 21320^2 .

It is a super-2 number, since 2×28650325456² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895322655 + ... + 895322686.

Almost surely, 2^28650325456 is an apocalyptic number.

It is an amenable number.

28650325456 is a deficient number, since it is larger than the sum of its proper divisors (26859680146).

28650325456 is a wasteful number, since it uses less digits than its factorization.

28650325456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790645349 (or 1790645343 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 28650325456 in words is "twenty-eight billion, six hundred fifty million, three hundred twenty-five thousand, four hundred fifty-six".