57326662144 has 20 divisors (see below), whose sum is σ = 114541359174. Its totient is φ = 28663330816.

The previous prime is 57326662123. The next prime is 57326662147. The reversal of 57326662144 is 44126662375.

It can be written as a sum of positive squares in only one way, i.e., 45113760000 + 12212902144 = 212400^2 + 110512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57326662094 and 57326662103.

It is not an unprimeable number, because it can be changed into a prime (57326662147) 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 as a sum of consecutive naturals, namely, 55982557 + ... + 55983580.

Almost surely, 2^57326662144 is an apocalyptic number.

It is an amenable number.

57326662144 is a deficient number, since it is larger than the sum of its proper divisors (57214697030).

57326662144 is an equidigital number, since it uses as much as digits as its factorization.

57326662144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111966155 (or 111966139 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 46.

The spelling of 57326662144 in words is "fifty-seven billion, three hundred twenty-six million, six hundred sixty-two thousand, one hundred forty-four".