28556271254270 has 32 divisors (see below), whose sum is σ = 52276539875040. Its totient is φ = 11228038093440.

The previous prime is 28556271254263. The next prime is 28556271254327. The reversal of 28556271254270 is 7245217265582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5788640 + ... + 9519500.

It is an arithmetic number, because the mean of its divisors is an integer number (1633641871095).

Almost surely, 2^{28556271254270} is an apocalyptic number.

28556271254270 is a deficient number, since it is larger than the sum of its proper divisors (23720268620770).

28556271254270 is a wasteful number, since it uses less digits than its factorization.

28556271254270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743900.

The product of its (nonzero) digits is 18816000, while the sum is 56.

The spelling of 28556271254270 in words is "twenty-eight trillion, five hundred fifty-six billion, two hundred seventy-one million, two hundred fifty-four thousand, two hundred seventy".