28040852841 has 4 divisors (see below), whose sum is σ = 37387803792. Its totient is φ = 18693901892.

The previous prime is 28040852813. The next prime is 28040852843. The reversal of 28040852841 is 14825804082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28040852841 - 2⁷ = 28040852713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28040852793 and 28040852802.

It is not an unprimeable number, because it can be changed into a prime (28040852843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4673475471 + ... + 4673475476.

It is an arithmetic number, because the mean of its divisors is an integer number (9346950948).

Almost surely, 2^28040852841 is an apocalyptic number.

It is an amenable number.

28040852841 is a deficient number, since it is larger than the sum of its proper divisors (9346950951).

28040852841 is an equidigital number, since it uses as much as digits as its factorization.

28040852841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346950950.

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 28040852841 in words is "twenty-eight billion, forty million, eight hundred fifty-two thousand, eight hundred forty-one".