27145186276 has 18 divisors (see below), whose sum is σ = 51439326162. Its totient is φ = 12528547200.

The previous prime is 27145186259. The next prime is 27145186279. The reversal of 27145186276 is 67268154172.

It can be written as a sum of positive squares in 3 ways, for example, as 371718400 + 26773467876 = 19280^2 + 163626^2 .

It is a super-2 number, since 2×27145186276² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27145186279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20077125 + ... + 20078476.

Almost surely, 2^27145186276 is an apocalyptic number.

27145186276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27145186276 is a deficient number, since it is larger than the sum of its proper divisors (24294139886).

27145186276 is a wasteful number, since it uses less digits than its factorization.

27145186276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40155631 (or 40155616 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The spelling of 27145186276 in words is "twenty-seven billion, one hundred forty-five million, one hundred eighty-six thousand, two hundred seventy-six".