28522033904 has 80 divisors (see below), whose sum is σ = 68407829952. Its totient is φ = 11218120704.

The previous prime is 28522033853. The next prime is 28522033907. The reversal of 28522033904 is 40933022582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28522033907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195272 + ... + 308504.

Almost surely, 2^28522033904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28522033904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34203914976).

28522033904 is an abundant number, since it is smaller than the sum of its proper divisors (39885796048).

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

28522033904 is a wasteful number, since it uses less digits than its factorization.

28522033904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113434 (or 113428 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 28522033904 in words is "twenty-eight billion, five hundred twenty-two million, thirty-three thousand, nine hundred four".