27937662140 has 48 divisors (see below), whose sum is σ = 60858000000. Its totient is φ = 10760236032.

The previous prime is 27937662131. The next prime is 27937662161. The reversal of 27937662140 is 4126673972.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 147236 + ... + 278484.

It is an arithmetic number, because the mean of its divisors is an integer number (1267875000).

Almost surely, 2^27937662140 is an apocalyptic number.

27937662140 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 27937662140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30429000000).

27937662140 is an abundant number, since it is smaller than the sum of its proper divisors (32920337860).

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

27937662140 is a wasteful number, since it uses less digits than its factorization.

27937662140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131654 (or 131652 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 27937662140 in words is "twenty-seven billion, nine hundred thirty-seven million, six hundred sixty-two thousand, one hundred forty".