28343367650 has 48 divisors (see below), whose sum is σ = 58158730728. Its totient is φ = 10209984000.

The previous prime is 28343367643. The next prime is 28343367653. The reversal of 28343367650 is 5676334382.

It can be written as a sum of positive squares in 12 ways, for example, as 3582142201 + 24761225449 = 59851^2 + 157357^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28343367595 and 28343367604.

It is not an unprimeable number, because it can be changed into a prime (28343367653) 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, 505121 + ... + 558420.

Almost surely, 2^28343367650 is an apocalyptic number.

28343367650 is an abundant number, since it is smaller than the sum of its proper divisors (29815363078).

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

28343367650 is a wasteful number, since it uses less digits than its factorization.

28343367650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063607 (or 1063602 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 28343367650 in words is "twenty-eight billion, three hundred forty-three million, three hundred sixty-seven thousand, six hundred fifty".