40344328 has 16 divisors (see below), whose sum is σ = 77491260. Its totient is φ = 19680000.

The previous prime is 40344313. The next prime is 40344329. The reversal of 40344328 is 82344304.

It can be written as a sum of positive squares in 2 ways, for example, as 33385284 + 6959044 = 5778^2 + 2638^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40344296 and 40344305.

It is not an unprimeable number, because it can be changed into a prime (40344329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61173 + ... + 61828.

Almost surely, 2^40344328 is an apocalyptic number.

It is an amenable number.

40344328 is a deficient number, since it is larger than the sum of its proper divisors (37146932).

40344328 is a wasteful number, since it uses less digits than its factorization.

40344328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123048 (or 123044 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 40344328 is about 6351.7185076167. The cubic root of 40344328 is about 342.9737079185.

The spelling of 40344328 in words is "forty million, three hundred forty-four thousand, three hundred twenty-eight".