40344366 has 16 divisors (see below), whose sum is σ = 85435344. Its totient is φ = 12657024.

The previous prime is 40344329. The next prime is 40344371. The reversal of 40344366 is 66344304.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197665 + ... + 197868.

It is an arithmetic number, because the mean of its divisors is an integer number (5339709).

Almost surely, 2^40344366 is an apocalyptic number.

40344366 is an abundant number, since it is smaller than the sum of its proper divisors (45090978).

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

40344366 is a wasteful number, since it uses less digits than its factorization.

40344366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395555.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 40344366 is about 6351.7214989324. The cubic root of 40344366 is about 342.9738155998.

The spelling of 40344366 in words is "forty million, three hundred forty-four thousand, three hundred sixty-six".