28002530525250 has 64 divisors (see below), whose sum is σ = 69905955180672. Its totient is φ = 7466097992000.

The previous prime is 28002530525239. The next prime is 28002530525293. The reversal of 28002530525250 is 5252503520082.

It is a junction number, because it is equal to n+sod(n) for n = 28002530525199 and 28002530525208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1402552 + ... + 7613948.

It is an arithmetic number, because the mean of its divisors is an integer number (1092280549698).

Almost surely, 2^{28002530525250} is an apocalyptic number.

28002530525250 is an abundant number, since it is smaller than the sum of its proper divisors (41903424655422).

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

28002530525250 is a wasteful number, since it uses less digits than its factorization.

28002530525250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217428 (or 6217418 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 28002530525250 in words is "twenty-eight trillion, two billion, five hundred thirty million, five hundred twenty-five thousand, two hundred fifty".