28755301632 has 72 divisors (see below), whose sum is σ = 80559027360. Its totient is φ = 9080616960.

The previous prime is 28755301621. The next prime is 28755301691. The reversal of 28755301632 is 23610355782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970719 + ... + 999902.

It is an arithmetic number, because the mean of its divisors is an integer number (1118875380).

Almost surely, 2^28755301632 is an apocalyptic number.

It is an amenable number.

28755301632 is an abundant number, since it is smaller than the sum of its proper divisors (51803725728).

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

28755301632 is a wasteful number, since it uses less digits than its factorization.

28755301632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970659 (or 1970645 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 28755301632 in words is "twenty-eight billion, seven hundred fifty-five million, three hundred one thousand, six hundred thirty-two".