27044064240 has 160 divisors (see below), whose sum is σ = 87735813120. Its totient is φ = 6878158848.

The previous prime is 27044064211. The next prime is 27044064241. The reversal of 27044064240 is 4246044072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27044064241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1941621 + ... + 1955499.

It is an arithmetic number, because the mean of its divisors is an integer number (548348832).

Almost surely, 2^27044064240 is an apocalyptic number.

27044064240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27044064240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43867906560).

27044064240 is an abundant number, since it is smaller than the sum of its proper divisors (60691748880).

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

27044064240 is a wasteful number, since it uses less digits than its factorization.

27044064240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14271 (or 14265 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 33.

The spelling of 27044064240 in words is "twenty-seven billion, forty-four million, sixty-four thousand, two hundred forty".