28058413444 has 24 divisors (see below), whose sum is σ = 49877316608. Its totient is φ = 13808543040.

The previous prime is 28058413421. The next prime is 28058413459. The reversal of 28058413444 is 44431485082.

It is a super-2 number, since 2×28058413444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28058413444.

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, 43549 + ... + 240859.

Almost surely, 2^28058413444 is an apocalyptic number.

It is an amenable number.

28058413444 is a deficient number, since it is larger than the sum of its proper divisors (21818903164).

28058413444 is a wasteful number, since it uses less digits than its factorization.

28058413444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197875 (or 197873 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 43.

The spelling of 28058413444 in words is "twenty-eight billion, fifty-eight million, four hundred thirteen thousand, four hundred forty-four".