28235230296 has 128 divisors (see below), whose sum is σ = 87562567680. Its totient is φ = 7387946496.

The previous prime is 28235230271. The next prime is 28235230301. The reversal of 28235230296 is 69203253282.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226470 + ... + 328266.

It is an arithmetic number, because the mean of its divisors is an integer number (684082560).

Almost surely, 2^28235230296 is an apocalyptic number.

28235230296 is a gapful number since it is divisible by the number (26) 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 28235230296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43781283840).

28235230296 is an abundant number, since it is smaller than the sum of its proper divisors (59327337384).

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

28235230296 is a wasteful number, since it uses less digits than its factorization.

28235230296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101953 (or 101949 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 28235230296 in words is "twenty-eight billion, two hundred thirty-five million, two hundred thirty thousand, two hundred ninety-six".