28628304650 has 48 divisors (see below), whose sum is σ = 58136279040. Its totient is φ = 10401897600.

The previous prime is 28628304629. The next prime is 28628304667. The reversal of 28628304650 is 5640382682.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683102 + ... + 723798.

It is an arithmetic number, because the mean of its divisors is an integer number (1211172480).

Almost surely, 2^28628304650 is an apocalyptic number.

28628304650 is an abundant number, since it is smaller than the sum of its proper divisors (29507974390).

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

28628304650 is a wasteful number, since it uses less digits than its factorization.

28628304650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41999 (or 41994 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 28628304650 in words is "twenty-eight billion, six hundred twenty-eight million, three hundred four thousand, six hundred fifty".