28366420336 has 40 divisors (see below), whose sum is σ = 56407170960. Its totient is φ = 13814490624.

The previous prime is 28366420309. The next prime is 28366420343. The reversal of 28366420336 is 63302466382.

It is a junction number, because it is equal to n+sod(n) for n = 28366420292 and 28366420301.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 53251 + ... + 244066.

It is an arithmetic number, because the mean of its divisors is an integer number (1410179274).

Almost surely, 2^28366420336 is an apocalyptic number.

It is an amenable number.

28366420336 is a deficient number, since it is larger than the sum of its proper divisors (28040750624).

28366420336 is a wasteful number, since it uses less digits than its factorization.

28366420336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297481 (or 297475 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 28366420336 in words is "twenty-eight billion, three hundred sixty-six million, four hundred twenty thousand, three hundred thirty-six".