28124299350 has 288 divisors, whose sum is σ = 92340518400. Its totient is φ = 5990353920.

The previous prime is 28124299349. The next prime is 28124299351. The reversal of 28124299350 is 5399242182.

28124299350 is a `hidden beast` number, since 2 + 8 + 1 + 2 + 4 + 299 + 350 = 666.

It is an interprime number because it is at equal distance from previous prime (28124299349) and next prime (28124299351).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 28124299296 and 28124299305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28124299351) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5513101 + ... + 5518199.

It is an arithmetic number, because the mean of its divisors is an integer number (320626800).

Almost surely, 2^28124299350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28124299350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46170259200).

28124299350 is an abundant number, since it is smaller than the sum of its proper divisors (64216219050).

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

28124299350 is a wasteful number, since it uses less digits than its factorization.

28124299350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244 (or 5236 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 28124299350 in words is "twenty-eight billion, one hundred twenty-four million, two hundred ninety-nine thousand, three hundred fifty".