28439236444582 has 48 divisors (see below), whose sum is σ = 45354505125888. Its totient is φ = 13371747751040.

The previous prime is 28439236444543. The next prime is 28439236444631. The reversal of 28439236444582 is 28544463293482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5198176107 + ... + 5198181577.

It is an arithmetic number, because the mean of its divisors is an integer number (944885523456).

Almost surely, 2^{28439236444582} is an apocalyptic number.

28439236444582 is a deficient number, since it is larger than the sum of its proper divisors (16915268681306).

28439236444582 is a wasteful number, since it uses less digits than its factorization.

28439236444582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11541 (or 11524 counting only the distinct ones).

The product of its digits is 318504960, while the sum is 64.

The spelling of 28439236444582 in words is "twenty-eight trillion, four hundred thirty-nine billion, two hundred thirty-six million, four hundred forty-four thousand, five hundred eighty-two".