28149750752 has 48 divisors (see below), whose sum is σ = 56758619232. Its totient is φ = 13738844160.

The previous prime is 28149750737. The next prime is 28149750763. The reversal of 28149750752 is 25705794182.

It is a self number, because there is not a number n which added to its sum of digits gives 28149750752.

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 7 ways as a sum of consecutive naturals, for example, 164477 + ... + 288707.

It is an arithmetic number, because the mean of its divisors is an integer number (1182471234).

Almost surely, 2^28149750752 is an apocalyptic number.

It is an amenable number.

28149750752 is an abundant number, since it is smaller than the sum of its proper divisors (28608868480).

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

28149750752 is a wasteful number, since it uses less digits than its factorization.

28149750752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124411 (or 124403 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 28149750752 in words is "twenty-eight billion, one hundred forty-nine million, seven hundred fifty thousand, seven hundred fifty-two".