28041408267 has 64 divisors (see below), whose sum is σ = 42094080000. Its totient is φ = 16529356800.

The previous prime is 28041408259. The next prime is 28041408281. The reversal of 28041408267 is 76280414082.

It is not a de Polignac number, because 28041408267 - 2³ = 28041408259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28041408247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6445609 + ... + 6449957.

It is an arithmetic number, because the mean of its divisors is an integer number (657720000).

Almost surely, 2^28041408267 is an apocalyptic number.

28041408267 is a deficient number, since it is larger than the sum of its proper divisors (14052671733).

28041408267 is a wasteful number, since it uses less digits than its factorization.

28041408267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532.

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 28041408267 in words is "twenty-eight billion, forty-one million, four hundred eight thousand, two hundred sixty-seven".