28071482594028 has 24 divisors (see below), whose sum is σ = 66148642155120. Its totient is φ = 9264515707200.

The previous prime is 28071482594003. The next prime is 28071482594047. The reversal of 28071482594028 is 82049528417082.

It is a happy number.

It is a super-2 number, since 2×28071482594028² (a number of 28 digits) contains 22 as substring.

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, 11580643423 + ... + 11580645846.

It is an arithmetic number, because the mean of its divisors is an integer number (2756193423130).

Almost surely, 2^{28071482594028} is an apocalyptic number.

It is an amenable number.

28071482594028 is an abundant number, since it is smaller than the sum of its proper divisors (38077159561092).

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

28071482594028 is a wasteful number, since it uses less digits than its factorization.

28071482594028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23161289377 (or 23161289375 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 60.

The spelling of 28071482594028 in words is "twenty-eight trillion, seventy-one billion, four hundred eighty-two million, five hundred ninety-four thousand, twenty-eight".