28581140750 has 16 divisors (see below), whose sum is σ = 53503895952. Its totient is φ = 11432456200.

The previous prime is 28581140729. The next prime is 28581140779. The reversal of 28581140750 is 5704118582.

It is a junction number, because it is equal to n+sod(n) for n = 28581140698 and 28581140707.

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, 57162032 + ... + 57162531.

It is an arithmetic number, because the mean of its divisors is an integer number (3343993497).

Almost surely, 2^28581140750 is an apocalyptic number.

28581140750 is a deficient number, since it is larger than the sum of its proper divisors (24922755202).

28581140750 is a wasteful number, since it uses less digits than its factorization.

28581140750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114324580 (or 114324570 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 41.

The spelling of 28581140750 in words is "twenty-eight billion, five hundred eighty-one million, one hundred forty thousand, seven hundred fifty".