1326742344 has 48 divisors (see below), whose sum is σ = 3717171900. Its totient is φ = 426996864.

The previous prime is 1326742331. The next prime is 1326742349. The reversal of 1326742344 is 4432476231.

1326742344 is a `hidden beast` number, since 13 + 267 + 42 + 344 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1284362244 + 42380100 = 35838^2 + 6510^2 .

It is a super-2 number, since 2×1326742344² = 3520490494725228672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1326742299 and 1326742308.

It is not an unprimeable number, because it can be changed into a prime (1326742349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315619 + ... + 319794.

Almost surely, 2^1326742344 is an apocalyptic number.

It is an amenable number.

1326742344 is an abundant number, since it is smaller than the sum of its proper divisors (2390429556).

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

1326742344 is a wasteful number, since it uses less digits than its factorization.

1326742344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635454 (or 635447 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 1326742344 is about 36424.4745192021. The cubic root of 1326742344 is about 1098.8258391354.

It can be divided in two parts, 13267 and 42344, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 1326742344 in words is "one billion, three hundred twenty-six million, seven hundred forty-two thousand, three hundred forty-four".