28192312032 has 96 divisors (see below), whose sum is σ = 78585437952. Its totient is φ = 8818980864.

The previous prime is 28192312021. The next prime is 28192312033. The reversal of 28192312032 is 23021329182.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 28192311984 and 28192312002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28192312033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541413 + ... + 591195.

It is an arithmetic number, because the mean of its divisors is an integer number (818598312).

Almost surely, 2^28192312032 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 28192312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39292718976).

28192312032 is an abundant number, since it is smaller than the sum of its proper divisors (50393125920).

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

28192312032 is a wasteful number, since it uses less digits than its factorization.

28192312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50160 (or 50152 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 28192312032 in words is "twenty-eight billion, one hundred ninety-two million, three hundred twelve thousand, thirty-two".