28315079232 has 224 divisors, whose sum is σ = 91091796480. Its totient is φ = 7650385920.

The previous prime is 28315079227. The next prime is 28315079257. The reversal of 28315079232 is 23297051382.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661423 + ... + 702929.

Almost surely, 2^28315079232 is an apocalyptic number.

28315079232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28315079232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45545898240).

28315079232 is an abundant number, since it is smaller than the sum of its proper divisors (62776717248).

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

28315079232 is a wasteful number, since it uses less digits than its factorization.

28315079232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41569 (or 41559 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 28315079232 in words is "twenty-eight billion, three hundred fifteen million, seventy-nine thousand, two hundred thirty-two".