28055608701140 has 48 divisors (see below), whose sum is σ = 59279582194560. Its totient is φ = 11153141112960.

The previous prime is 28055608701139. The next prime is 28055608701179. The reversal of 28055608701140 is 4110780655082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215815481 + ... + 215945439.

It is an arithmetic number, because the mean of its divisors is an integer number (1234991295720).

Almost surely, 2^{28055608701140} is an apocalyptic number.

28055608701140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28055608701140 is an abundant number, since it is smaller than the sum of its proper divisors (31223973493420).

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

28055608701140 is a wasteful number, since it uses less digits than its factorization.

28055608701140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196352 (or 196350 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 28055608701140 in words is "twenty-eight trillion, fifty-five billion, six hundred eight million, seven hundred one thousand, one hundred forty".