28550030456 has 16 divisors (see below), whose sum is σ = 55858755600. Its totient is φ = 13654362304.

The previous prime is 28550030447. The next prime is 28550030497. The reversal of 28550030456 is 65403005582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77581421 + ... + 77581788.

It is an arithmetic number, because the mean of its divisors is an integer number (3491172225).

Almost surely, 2^28550030456 is an apocalyptic number.

It is an amenable number.

28550030456 is a deficient number, since it is larger than the sum of its proper divisors (27308725144).

28550030456 is a wasteful number, since it uses less digits than its factorization.

28550030456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155163238 (or 155163234 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 28550030456 in words is "twenty-eight billion, five hundred fifty million, thirty thousand, four hundred fifty-six".