1326727044 has 18 divisors (see below), whose sum is σ = 3353671230. Its totient is φ = 442242336.

The previous prime is 1326727033. The next prime is 1326727097. The reversal of 1326727044 is 4407276231.

It can be written as a sum of positive squares in only one way, i.e., 721567044 + 605160000 = 26862^2 + 24600^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×1326727044³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 36853529 = 1326727044 / (1 + 3 + 2 + 6 + 7 + 2 + 7 + 0 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18426729 + ... + 18426800.

Almost surely, 2^1326727044 is an apocalyptic number.

It is an amenable number.

1326727044 is an abundant number, since it is smaller than the sum of its proper divisors (2026944186).

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

1326727044 is a wasteful number, since it uses less digits than its factorization.

1326727044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36853539 (or 36853534 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 1326727044 is about 36424.2644949764. The cubic root of 1326727044 is about 1098.8216152306.

The spelling of 1326727044 in words is "one billion, three hundred twenty-six million, seven hundred twenty-seven thousand, forty-four".