28040239174 has 16 divisors (see below), whose sum is σ = 43256140848. Its totient is φ = 13622560992.

The previous prime is 28040239147. The next prime is 28040239187. The reversal of 28040239174 is 47193204082.

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, 204232 + ... + 312715.

It is an arithmetic number, because the mean of its divisors is an integer number (2703508803).

Almost surely, 2^28040239174 is an apocalyptic number.

28040239174 is a deficient number, since it is larger than the sum of its proper divisors (15215901674).

28040239174 is a wasteful number, since it uses less digits than its factorization.

28040239174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517719.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 28040239174 in words is "twenty-eight billion, forty million, two hundred thirty-nine thousand, one hundred seventy-four".