28072324450 has 48 divisors (see below), whose sum is σ = 52734008736. Its totient is φ = 11117433600.

The previous prime is 28072324403. The next prime is 28072324457. The reversal of 28072324450 is 5442327082.

It is not an unprimeable number, because it can be changed into a prime (28072324457) 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, 6614029 + ... + 6618271.

It is an arithmetic number, because the mean of its divisors is an integer number (1098625182).

Almost surely, 2^28072324450 is an apocalyptic number.

28072324450 is a deficient number, since it is larger than the sum of its proper divisors (24661684286).

28072324450 is a wasteful number, since it uses less digits than its factorization.

28072324450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539 (or 5534 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 28072324450 in words is "twenty-eight billion, seventy-two million, three hundred twenty-four thousand, four hundred fifty".