27254712340 has 12 divisors (see below), whose sum is σ = 57234895956. Its totient is φ = 10901884928.

The previous prime is 27254712323. The next prime is 27254712391. The reversal of 27254712340 is 4321745272.

It can be written as a sum of positive squares in 2 ways, for example, as 16069111696 + 11185600644 = 126764^2 + 105762^2 .

It is a super-2 number, since 2×27254712340² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27254712340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681367789 + ... + 681367828.

It is an arithmetic number, because the mean of its divisors is an integer number (4769574663).

Almost surely, 2^27254712340 is an apocalyptic number.

27254712340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27254712340 is an abundant number, since it is smaller than the sum of its proper divisors (29980183616).

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

27254712340 is a wasteful number, since it uses less digits than its factorization.

27254712340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362735626 (or 1362735624 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 27254712340 in words is "twenty-seven billion, two hundred fifty-four million, seven hundred twelve thousand, three hundred forty".