28644500270 has 16 divisors (see below), whose sum is σ = 52041972528. Its totient is φ = 11350717440.

The previous prime is 28644500249. The next prime is 28644500299. The reversal of 28644500270 is 7200544682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13384211 + ... + 13386350.

It is an arithmetic number, because the mean of its divisors is an integer number (3252623283).

Almost surely, 2^28644500270 is an apocalyptic number.

28644500270 is a deficient number, since it is larger than the sum of its proper divisors (23397472258).

28644500270 is a wasteful number, since it uses less digits than its factorization.

28644500270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26770675.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 28644500270 in words is "twenty-eight billion, six hundred forty-four million, five hundred thousand, two hundred seventy".