27312265140 has 48 divisors (see below), whose sum is σ = 76794359040. Its totient is φ = 7252792960.

The previous prime is 27312265139. The next prime is 27312265181. The reversal of 27312265140 is 4156221372.

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, 937971 + ... + 966650.

It is an arithmetic number, because the mean of its divisors is an integer number (1599882480).

Almost surely, 2^27312265140 is an apocalyptic number.

27312265140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27312265140 is an abundant number, since it is smaller than the sum of its proper divisors (49482093900).

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

27312265140 is a wasteful number, since it uses less digits than its factorization.

27312265140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904872 (or 1904870 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 27312265140 in words is "twenty-seven billion, three hundred twelve million, two hundred sixty-five thousand, one hundred forty".