1327775444 has 6 divisors (see below), whose sum is σ = 2323607034. Its totient is φ = 663887720.

The previous prime is 1327775443. The next prime is 1327775459. The reversal of 1327775444 is 4445777231.

It can be written as a sum of positive squares in only one way, i.e., 1246090000 + 81685444 = 35300^2 + 9038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1327775395 and 1327775404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327775443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165971927 + ... + 165971934.

It is an arithmetic number, because the mean of its divisors is an integer number (387267839).

Almost surely, 2^1327775444 is an apocalyptic number.

It is an amenable number.

1327775444 is a deficient number, since it is larger than the sum of its proper divisors (995831590).

1327775444 is a wasteful number, since it uses less digits than its factorization.

1327775444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331943865 (or 331943863 counting only the distinct ones).

The product of its digits is 658560, while the sum is 44.

The square root of 1327775444 is about 36438.6531584251. The cubic root of 1327775444 is about 1099.1109742403.

The spelling of 1327775444 in words is "one billion, three hundred twenty-seven million, seven hundred seventy-five thousand, four hundred forty-four".