2727666840 has 64 divisors (see below), whose sum is σ = 8192793600. Its totient is φ = 726507392.

The previous prime is 2727666829. The next prime is 2727666857. The reversal of 2727666840 is 486667272.

It is a self number, because there is not a number n which added to its sum of digits gives 2727666840.

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 15 ways as a sum of consecutive naturals, for example, 90391 + ... + 116729.

It is an arithmetic number, because the mean of its divisors is an integer number (128012400).

Almost surely, 2^2727666840 is an apocalyptic number.

2727666840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2727666840 is an abundant number, since it is smaller than the sum of its proper divisors (5465126760).

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

2727666840 is a wasteful number, since it uses less digits than its factorization.

2727666840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27216 (or 27212 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 2727666840 is about 52227.0699924857. The cubic root of 2727666840 is about 1397.2167220560.

The spelling of 2727666840 in words is "two billion, seven hundred twenty-seven million, six hundred sixty-six thousand, eight hundred forty".