28446267446188 has 24 divisors (see below), whose sum is σ = 52813625446400. Its totient is φ = 13368448932048.

The previous prime is 28446267446167. The next prime is 28446267446189. The reversal of 28446267446188 is 88164476264482.

It is not an unprimeable number, because it can be changed into a prime (28446267446189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473584808 + ... + 1473604111.

Almost surely, 2^{28446267446188} is an apocalyptic number.

It is an amenable number.

28446267446188 is a deficient number, since it is larger than the sum of its proper divisors (24367358000212).

28446267446188 is a wasteful number, since it uses less digits than its factorization.

28446267446188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947189069 (or 2947189067 counting only the distinct ones).

The product of its digits is 792723456, while the sum is 70.

The spelling of 28446267446188 in words is "twenty-eight trillion, four hundred forty-six billion, two hundred sixty-seven million, four hundred forty-six thousand, one hundred eighty-eight".