28238120024 has 16 divisors (see below), whose sum is σ = 52948369320. Its totient is φ = 14118554880.

The previous prime is 28238119999. The next prime is 28238120051. The reversal of 28238120024 is 42002183282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291827 + ... + 376349.

Almost surely, 2^28238120024 is an apocalyptic number.

It is an amenable number.

28238120024 is a deficient number, since it is larger than the sum of its proper divisors (24710249296).

28238120024 is a wasteful number, since it uses less digits than its factorization.

28238120024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126290 (or 126286 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The spelling of 28238120024 in words is "twenty-eight billion, two hundred thirty-eight million, one hundred twenty thousand, twenty-four".