27600856140 has 192 divisors, whose sum is σ = 93924956160. Its totient is φ = 5963381760.

The previous prime is 27600856121. The next prime is 27600856181. The reversal of 27600856140 is 4165800672.

27600856140 = T₁₉₅₇₆ + T₁₉₅₇₇ + ... + T₁₉₇₁₈.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193357 + ... + 304283.

It is an arithmetic number, because the mean of its divisors is an integer number (489192480).

Almost surely, 2^27600856140 is an apocalyptic number.

27600856140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27600856140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46962478080).

27600856140 is an abundant number, since it is smaller than the sum of its proper divisors (66324100020).

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

27600856140 is a wasteful number, since it uses less digits than its factorization.

27600856140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110992 (or 110990 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 27600856140 in words is "twenty-seven billion, six hundred million, eight hundred fifty-six thousand, one hundred forty".