28040416268 has 12 divisors (see below), whose sum is σ = 49204438752. Its totient is φ = 13982005200.

The previous prime is 28040416181. The next prime is 28040416279. The reversal of 28040416268 is 86261404082.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9549083 + ... + 9552018.

It is an arithmetic number, because the mean of its divisors is an integer number (4100369896).

Almost surely, 2^28040416268 is an apocalyptic number.

It is an amenable number.

28040416268 is a deficient number, since it is larger than the sum of its proper divisors (21164022484).

28040416268 is a wasteful number, since it uses less digits than its factorization.

28040416268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19101472 (or 19101470 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 28040416268 in words is "twenty-eight billion, forty million, four hundred sixteen thousand, two hundred sixty-eight".