28018715204 has 48 divisors (see below), whose sum is σ = 50563408896. Its totient is φ = 13577491200.

The previous prime is 28018715173. The next prime is 28018715233. The reversal of 28018715204 is 40251781082.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17115074 + ... + 17116710.

It is an arithmetic number, because the mean of its divisors is an integer number (1053404352).

Almost surely, 2^28018715204 is an apocalyptic number.

It is an amenable number.

28018715204 is a deficient number, since it is larger than the sum of its proper divisors (22544693692).

28018715204 is a wasteful number, since it uses less digits than its factorization.

28018715204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 28018715204 in words is "twenty-eight billion, eighteen million, seven hundred fifteen thousand, two hundred four".