28258536030 has 64 divisors (see below), whose sum is σ = 71592733440. Its totient is φ = 7118724096.

The previous prime is 28258535971. The next prime is 28258536083. The reversal of 28258536030 is 3063585282.

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 31 ways as a sum of consecutive naturals, for example, 130989 + ... + 271431.

It is an arithmetic number, because the mean of its divisors is an integer number (1118636460).

Almost surely, 2^28258536030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28258536030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35796366720).

28258536030 is an abundant number, since it is smaller than the sum of its proper divisors (43334197410).

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

28258536030 is a wasteful number, since it uses less digits than its factorization.

28258536030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140825.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 28258536030 in words is "twenty-eight billion, two hundred fifty-eight million, five hundred thirty-six thousand, thirty".