28005455150 has 24 divisors (see below), whose sum is σ = 53886361320. Its totient is φ = 10815899360.

The previous prime is 28005455131. The next prime is 28005455161. The reversal of 28005455150 is 5155450082.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28005455150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9655604 + ... + 9658503.

It is an arithmetic number, because the mean of its divisors is an integer number (2245265055).

Almost surely, 2^28005455150 is an apocalyptic number.

28005455150 is a deficient number, since it is larger than the sum of its proper divisors (25880906170).

28005455150 is a wasteful number, since it uses less digits than its factorization.

28005455150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19314148 (or 19314143 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 28005455150 in words is "twenty-eight billion, five million, four hundred fifty-five thousand, one hundred fifty".