28046229550 has 24 divisors (see below), whose sum is σ = 52171723296. Its totient is φ = 11217258240.

The previous prime is 28046229499. The next prime is 28046229551. The reversal of 28046229550 is 5592264082.

It is a junction number, because it is equal to n+sod(n) for n = 28046229497 and 28046229506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28046229551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529054 + ... + 579646.

It is an arithmetic number, because the mean of its divisors is an integer number (2173821804).

Almost surely, 2^28046229550 is an apocalyptic number.

28046229550 is a deficient number, since it is larger than the sum of its proper divisors (24125493746).

28046229550 is a wasteful number, since it uses less digits than its factorization.

28046229550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61692 (or 61687 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 28046229550 in words is "twenty-eight billion, forty-six million, two hundred twenty-nine thousand, five hundred fifty".