40444318 has 8 divisors (see below), whose sum is σ = 61109712. Its totient is φ = 20074416.

The previous prime is 40444307. The next prime is 40444319. The reversal of 40444318 is 81344404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444319) 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, 73530 + ... + 74077.

It is an arithmetic number, because the mean of its divisors is an integer number (7638714).

Almost surely, 2^40444318 is an apocalyptic number.

40444318 is a deficient number, since it is larger than the sum of its proper divisors (20665394).

40444318 is a wasteful number, since it uses less digits than its factorization.

40444318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147746.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 40444318 is about 6359.5847348707. The cubic root of 40444318 is about 343.2568179214.

The spelling of 40444318 in words is "forty million, four hundred forty-four thousand, three hundred eighteen".