28316403104 has 48 divisors (see below), whose sum is σ = 62459613216. Its totient is φ = 12523219200.

The previous prime is 28316403083. The next prime is 28316403131. The reversal of 28316403104 is 40130461382.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074062 + ... + 1100109.

It is an arithmetic number, because the mean of its divisors is an integer number (1301241942).

Almost surely, 2^28316403104 is an apocalyptic number.

It is an amenable number.

28316403104 is an abundant number, since it is smaller than the sum of its proper divisors (34143210112).

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

28316403104 is a wasteful number, since it uses less digits than its factorization.

28316403104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174229 (or 2174221 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 28316403104 its reverse (40130461382), we get a palindrome (68446864486).

The spelling of 28316403104 in words is "twenty-eight billion, three hundred sixteen million, four hundred three thousand, one hundred four".