28052052016 has 40 divisors (see below), whose sum is σ = 55836069120. Its totient is φ = 13642965504.

The previous prime is 28052052011. The next prime is 28052052023. The reversal of 28052052016 is 61025025082.

It is not an unprimeable number, because it can be changed into a prime (28052052011) 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, 3743025 + ... + 3750511.

It is an arithmetic number, because the mean of its divisors is an integer number (1395901728).

Almost surely, 2^28052052016 is an apocalyptic number.

It is an amenable number.

28052052016 is a deficient number, since it is larger than the sum of its proper divisors (27784017104).

28052052016 is a wasteful number, since it uses less digits than its factorization.

28052052016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13861 (or 13855 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 28052052016 its reverse (61025025082), we get a palindrome (89077077098).

The spelling of 28052052016 in words is "twenty-eight billion, fifty-two million, fifty-two thousand, sixteen".