28010498816 has 18 divisors (see below), whose sum is σ = 55911582132. Its totient is φ = 14005249280.

The previous prime is 28010498767. The next prime is 28010498821. The reversal of 28010498816 is 61889401082.

It is a happy number.

It is a super-2 number, since 2×28010498816² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54707750 + ... + 54708261.

Almost surely, 2^28010498816 is an apocalyptic number.

It is an amenable number.

28010498816 is a deficient number, since it is larger than the sum of its proper divisors (27901083316).

28010498816 is an equidigital number, since it uses as much as digits as its factorization.

28010498816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109416027 (or 109416013 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 47.

Adding to 28010498816 its reverse (61889401082), we get a palindrome (89899899898).

The spelling of 28010498816 in words is "twenty-eight billion, ten million, four hundred ninety-eight thousand, eight hundred sixteen".