28042206451008 has 28 divisors (see below), whose sum is σ = 74195004568800. Its totient is φ = 9347402150272.

The previous prime is 28042206450983. The next prime is 28042206451027. The reversal of 28042206451008 is 80015460224082.

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, 73026579108 + ... + 73026579491.

Almost surely, 2^{28042206451008} is an apocalyptic number.

It is an amenable number.

28042206451008 is an abundant number, since it is smaller than the sum of its proper divisors (46152798117792).

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

28042206451008 is a wasteful number, since it uses less digits than its factorization.

28042206451008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146053158614 (or 146053158604 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 28042206451008 in words is "twenty-eight trillion, forty-two billion, two hundred six million, four hundred fifty-one thousand, eight".