28030502750528 has 28 divisors (see below), whose sum is σ = 55652726426100. Its totient is φ = 14007768532992.

The previous prime is 28030502750519. The next prime is 28030502750533. The reversal of 28030502750528 is 82505720503082.

It can be written as a sum of positive squares in 2 ways, for example, as 14418181048384 + 13612321702144 = 3797128^2 + 3689488^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116798603 + ... + 117038346.

Almost surely, 2^{28030502750528} is an apocalyptic number.

It is an amenable number.

28030502750528 is a deficient number, since it is larger than the sum of its proper divisors (27622223675572).

28030502750528 is a wasteful number, since it uses less digits than its factorization.

28030502750528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233838834 (or 233838824 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 28030502750528 in words is "twenty-eight trillion, thirty billion, five hundred two million, seven hundred fifty thousand, five hundred twenty-eight".