28206149910 has 16 divisors (see below), whose sum is σ = 67694759856. Its totient is φ = 7521639968.

The previous prime is 28206149899. The next prime is 28206149941. The reversal of 28206149910 is 1994160282.

It is a super-3 number, since 3×28206149910³ (a number of 32 digits) contains 333 as substring.

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, 470102469 + ... + 470102528.

It is an arithmetic number, because the mean of its divisors is an integer number (4230922491).

Almost surely, 2^28206149910 is an apocalyptic number.

28206149910 is an abundant number, since it is smaller than the sum of its proper divisors (39488609946).

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

28206149910 is a wasteful number, since it uses less digits than its factorization.

28206149910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940205007.

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 28206149910 in words is "twenty-eight billion, two hundred six million, one hundred forty-nine thousand, nine hundred ten".