27466640000 has 80 divisors (see below), whose sum is σ = 68376682770. Its totient is φ = 10986624000.

The previous prime is 27466639969. The next prime is 27466640077. The reversal of 27466640000 is 4666472.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2827686976 + 24638953024 = 53176^2 + 156968^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 91667 + ... + 251666.

Almost surely, 2^27466640000 is an apocalyptic number.

27466640000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27466640000 is an abundant number, since it is smaller than the sum of its proper divisors (40910042770).

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

27466640000 is an frugal number, since it uses more digits than its factorization.

27466640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343367 (or 343340 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 27466640000 in words is "twenty-seven billion, four hundred sixty-six million, six hundred forty thousand".