28058182044 has 24 divisors (see below), whose sum is σ = 65472476160. Its totient is φ = 9352243824.

The previous prime is 28058182007. The next prime is 28058182069. The reversal of 28058182044 is 44028185082.

It is a super-2 number, since 2×28058182044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28058181987 and 28058182005.

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, 241797 + ... + 338499.

It is an arithmetic number, because the mean of its divisors is an integer number (2728019840).

Almost surely, 2^28058182044 is an apocalyptic number.

It is an amenable number.

28058182044 is an abundant number, since it is smaller than the sum of its proper divisors (37414294116).

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

28058182044 is a wasteful number, since it uses less digits than its factorization.

28058182044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120889 (or 120887 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 28058182044 in words is "twenty-eight billion, fifty-eight million, one hundred eighty-two thousand, forty-four".