28236213933270 has 64 divisors (see below), whose sum is σ = 77476075776000. Its totient is φ = 6451643864448.

The previous prime is 28236213933247. The next prime is 28236213933299. The reversal of 28236213933270 is 7233931263282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23878542 + ... + 25033121.

It is an arithmetic number, because the mean of its divisors is an integer number (1210563684000).

Almost surely, 2^{28236213933270} is an apocalyptic number.

28236213933270 is an abundant number, since it is smaller than the sum of its proper divisors (49239861842730).

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

28236213933270 is a wasteful number, since it uses less digits than its factorization.

28236213933270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48914429.

The product of its (nonzero) digits is 3919104, while the sum is 51.

The spelling of 28236213933270 in words is "twenty-eight trillion, two hundred thirty-six billion, two hundred thirteen million, nine hundred thirty-three thousand, two hundred seventy".