27140475156 has 24 divisors (see below), whose sum is σ = 63367227840. Its totient is φ = 9041188992.

The previous prime is 27140475113. The next prime is 27140475221. The reversal of 27140475156 is 65157404172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684421 + ... + 722988.

It is an arithmetic number, because the mean of its divisors is an integer number (2640301160).

Almost surely, 2^27140475156 is an apocalyptic number.

It is an amenable number.

27140475156 is an abundant number, since it is smaller than the sum of its proper divisors (36226752684).

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

27140475156 is a wasteful number, since it uses less digits than its factorization.

27140475156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409023 (or 1409021 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 27140475156 in words is "twenty-seven billion, one hundred forty million, four hundred seventy-five thousand, one hundred fifty-six".