28350409904 has 10 divisors (see below), whose sum is σ = 54928919220. Its totient is φ = 14175204944.

The previous prime is 28350409883. The next prime is 28350409961. The reversal of 28350409904 is 40990405382.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885950294 + ... + 885950325.

It is an arithmetic number, because the mean of its divisors is an integer number (5492891922).

Almost surely, 2^28350409904 is an apocalyptic number.

It is an amenable number.

28350409904 is a deficient number, since it is larger than the sum of its proper divisors (26578509316).

28350409904 is a wasteful number, since it uses less digits than its factorization.

28350409904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771900627 (or 1771900621 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 28350409904 in words is "twenty-eight billion, three hundred fifty million, four hundred nine thousand, nine hundred four".