28731457300160 has 56 divisors (see below), whose sum is σ = 68715546114480. Its totient is φ = 11442396939264.

The previous prime is 28731457300151. The next prime is 28731457300177. The reversal of 28731457300160 is 6100375413782.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195965594 + ... + 196112153.

Almost surely, 2^{28731457300160} is an apocalyptic number.

28731457300160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28731457300160 is an abundant number, since it is smaller than the sum of its proper divisors (39984088814320).

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

28731457300160 is a wasteful number, since it uses less digits than its factorization.

28731457300160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392077993 (or 392077983 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 28731457300160 in words is "twenty-eight trillion, seven hundred thirty-one billion, four hundred fifty-seven million, three hundred thousand, one hundred sixty".