27144051772 has 24 divisors (see below), whose sum is σ = 49924022400. Its totient is φ = 12888536496.

The previous prime is 27144051761. The next prime is 27144051773. The reversal of 27144051772 is 27715044172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27144051773) 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, 1048522 + ... + 1074097.

It is an arithmetic number, because the mean of its divisors is an integer number (2080167600).

Almost surely, 2^27144051772 is an apocalyptic number.

It is an amenable number.

27144051772 is a deficient number, since it is larger than the sum of its proper divisors (22779970628).

27144051772 is a wasteful number, since it uses less digits than its factorization.

27144051772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122785 (or 2122783 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 40.

The spelling of 27144051772 in words is "twenty-seven billion, one hundred forty-four million, fifty-one thousand, seven hundred seventy-two".