28152668000 has 48 divisors (see below), whose sum is σ = 69171115104. Its totient is φ = 11261065600.

The previous prime is 28152667903. The next prime is 28152668009. The reversal of 28152668000 is 86625182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28152668009) 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 7 ways as a sum of consecutive naturals, for example, 3515084 + ... + 3523083.

It is an arithmetic number, because the mean of its divisors is an integer number (1441064898).

Almost surely, 2^28152668000 is an apocalyptic number.

28152668000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28152668000 is an abundant number, since it is smaller than the sum of its proper divisors (41018447104).

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

28152668000 is an equidigital number, since it uses as much as digits as its factorization.

28152668000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038192 (or 7038174 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 28152668000 in words is "twenty-eight billion, one hundred fifty-two million, six hundred sixty-eight thousand".