27082664440 has 32 divisors (see below), whose sum is σ = 65623380480. Its totient is φ = 9999752832.

The previous prime is 27082664387. The next prime is 27082664443. The reversal of 27082664440 is 4446628072.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27082664443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26040504 + ... + 26041543.

It is an arithmetic number, because the mean of its divisors is an integer number (2050730640).

Almost surely, 2^27082664440 is an apocalyptic number.

27082664440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27082664440 is an abundant number, since it is smaller than the sum of its proper divisors (38540716040).

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

27082664440 is a wasteful number, since it uses less digits than its factorization.

27082664440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52082071 (or 52082067 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 27082664440 in words is "twenty-seven billion, eighty-two million, six hundred sixty-four thousand, four hundred forty".