28299325450 has 48 divisors (see below), whose sum is σ = 58822485120. Its totient is φ = 10039664000.

The previous prime is 28299325447. The next prime is 28299325459. The reversal of 28299325450 is 5452399282.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28299325394 and 28299325403.

It is not an unprimeable number, because it can be changed into a prime (28299325459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 604930 + ... + 650029.

It is an arithmetic number, because the mean of its divisors is an integer number (1225468440).

Almost surely, 2^28299325450 is an apocalyptic number.

28299325450 is an abundant number, since it is smaller than the sum of its proper divisors (30523159670).

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

28299325450 is a wasteful number, since it uses less digits than its factorization.

28299325450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255023 (or 1255018 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

It can be divided in two parts, 2829932 and 5450, that added together give a palindrome (2835382).

The spelling of 28299325450 in words is "twenty-eight billion, two hundred ninety-nine million, three hundred twenty-five thousand, four hundred fifty".