28540756032 has 56 divisors (see below), whose sum is σ = 75527001600. Its totient is φ = 9511958016.

The previous prime is 28540756031. The next prime is 28540756033. The reversal of 28540756032 is 23065704582.

It is an interprime number because it is at equal distance from previous prime (28540756031) and next prime (28540756033).

It is not an unprimeable number, because it can be changed into a prime (28540756031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740769 + ... + 1757087.

Almost surely, 2^28540756032 is an apocalyptic number.

It is an amenable number.

28540756032 is an abundant number, since it is smaller than the sum of its proper divisors (46986245568).

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

28540756032 is a wasteful number, since it uses less digits than its factorization.

28540756032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25443 (or 25433 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 28540756032 in words is "twenty-eight billion, five hundred forty million, seven hundred fifty-six thousand, thirty-two".