28318441146 has 16 divisors (see below), whose sum is σ = 56642519808. Its totient is φ = 9438540800.

The previous prime is 28318441141. The next prime is 28318441163. The reversal of 28318441146 is 64114481382.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28318441098 and 28318441107.

It is not an unprimeable number, because it can be changed into a prime (28318441141) 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, 168135 + ... + 291386.

It is an arithmetic number, because the mean of its divisors is an integer number (3540157488).

Almost surely, 2^28318441146 is an apocalyptic number.

28318441146 is an abundant number, since it is smaller than the sum of its proper divisors (28324078662).

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

28318441146 is a wasteful number, since it uses less digits than its factorization.

28318441146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469797.

The product of its digits is 147456, while the sum is 42.

The spelling of 28318441146 in words is "twenty-eight billion, three hundred eighteen million, four hundred forty-one thousand, one hundred forty-six".