28459223802 has 40 divisors (see below), whose sum is σ = 65252775456. Its totient is φ = 9265791528.

The previous prime is 28459223797. The next prime is 28459223827. The reversal of 28459223802 is 20832295482.

28459223802 is a `hidden beast` number, since 28 + 4 + 592 + 2 + 38 + 0 + 2 = 666.

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 19 ways as a sum of consecutive naturals, for example, 2035758 + ... + 2049689.

Almost surely, 2^28459223802 is an apocalyptic number.

28459223802 is an abundant number, since it is smaller than the sum of its proper divisors (36793551654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28459223802 is a wasteful number, since it uses less digits than its factorization.

28459223802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085504 (or 4085495 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 28459223802 in words is "twenty-eight billion, four hundred fifty-nine million, two hundred twenty-three thousand, eight hundred two".