28540755996 has 24 divisors (see below), whose sum is σ = 66604340880. Its totient is φ = 9512264832.

The previous prime is 28540755961. The next prime is 28540756001. The reversal of 28540755996 is 69955704582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72951 + ... + 249806.

It is an arithmetic number, because the mean of its divisors is an integer number (2775180870).

Almost surely, 2^28540755996 is an apocalyptic number.

It is an amenable number.

28540755996 is an abundant number, since it is smaller than the sum of its proper divisors (38063584884).

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

28540755996 is a wasteful number, since it uses less digits than its factorization.

28540755996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330133 (or 330131 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 60.

The spelling of 28540755996 in words is "twenty-eight billion, five hundred forty million, seven hundred fifty-five thousand, nine hundred ninety-six".