28288052620 has 48 divisors (see below), whose sum is σ = 60740886528. Its totient is φ = 11061321920.

The previous prime is 28288052593. The next prime is 28288052641. The reversal of 28288052620 is 2625088282.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 793785 + ... + 828655.

It is an arithmetic number, because the mean of its divisors is an integer number (1265435136).

Almost surely, 2^28288052620 is an apocalyptic number.

28288052620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28288052620 is an abundant number, since it is smaller than the sum of its proper divisors (32452833908).

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

28288052620 is a wasteful number, since it uses less digits than its factorization.

28288052620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35790 (or 35788 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 28288052620 in words is "twenty-eight billion, two hundred eighty-eight million, fifty-two thousand, six hundred twenty".