28025005300530 has 64 divisors (see below), whose sum is σ = 78946115339520. Its totient is φ = 6232588049664.

The previous prime is 28025005300511. The next prime is 28025005300531. The reversal of 28025005300530 is 3500350052082.

It is a junction number, because it is equal to n+sod(n) for n = 28025005300491 and 28025005300500.

It is not an unprimeable number, because it can be changed into a prime (28025005300531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1803403125 + ... + 1803418664.

It is an arithmetic number, because the mean of its divisors is an integer number (1233533052180).

Almost surely, 2^{28025005300530} is an apocalyptic number.

28025005300530 is an abundant number, since it is smaller than the sum of its proper divisors (50921110038990).

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

28025005300530 is a wasteful number, since it uses less digits than its factorization.

28025005300530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606821843.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 28025005300530 in words is "twenty-eight trillion, twenty-five billion, five million, three hundred thousand, five hundred thirty".