28452560658 has 8 divisors (see below), whose sum is σ = 56905121328. Its totient is φ = 9484186884.

The previous prime is 28452560623. The next prime is 28452560671. The reversal of 28452560658 is 85606525482.

It is a sphenic number, since it is the product of 3 distinct primes.

28452560658 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28452560658.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2371046716 + ... + 2371046727.

It is an arithmetic number, because the mean of its divisors is an integer number (7113140166).

Almost surely, 2^28452560658 is an apocalyptic number.

28452560658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28452560658 is a wasteful number, since it uses less digits than its factorization.

28452560658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742093448.

The product of its (nonzero) digits is 4608000, while the sum is 51.

The spelling of 28452560658 in words is "twenty-eight billion, four hundred fifty-two million, five hundred sixty thousand, six hundred fifty-eight".