28025302750530 has 32 divisors (see below), whose sum is σ = 67263134133888. Its totient is φ = 7473146563200.

The previous prime is 28025302750513. The next prime is 28025302750531. The reversal of 28025302750530 is 3505720352082.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28025302750531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15866166 + ... + 17543825.

It is an arithmetic number, because the mean of its divisors is an integer number (2101972941684).

Almost surely, 2^{28025302750530} is an apocalyptic number.

28025302750530 is an abundant number, since it is smaller than the sum of its proper divisors (39237831383358).

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

28025302750530 is a wasteful number, since it uses less digits than its factorization.

28025302750530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33437962.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 28025302750530 in words is "twenty-eight trillion, twenty-five billion, three hundred two million, seven hundred fifty thousand, five hundred thirty".