27065620944 has 120 divisors (see below), whose sum is σ = 80335786752. Its totient is φ = 8488085760.

The previous prime is 27065620943. The next prime is 27065620951. The reversal of 27065620944 is 44902656072.

It is a super-2 number, since 2×27065620944² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27065620944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27065620943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135049 + ... + 269015.

Almost surely, 2^27065620944 is an apocalyptic number.

27065620944 is a gapful number since it is divisible by the number (24) 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 27065620944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40167893376).

27065620944 is an abundant number, since it is smaller than the sum of its proper divisors (53270165808).

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

27065620944 is a wasteful number, since it uses less digits than its factorization.

27065620944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134065 (or 134056 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

It can be divided in two parts, 270656 and 20944, that added together give a square (291600 = 540²).

The spelling of 27065620944 in words is "twenty-seven billion, sixty-five million, six hundred twenty thousand, nine hundred forty-four".