40344001 has 8 divisors (see below), whose sum is σ = 42994944. Its totient is φ = 37767840.

The previous prime is 40343999. The next prime is 40344037. The reversal of 40344001 is 10044304.

40344001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40344001 - 2¹ = 40343999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40344091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17580 + ... + 19741.

It is an arithmetic number, because the mean of its divisors is an integer number (5374368).

Almost surely, 2^40344001 is an apocalyptic number.

It is an amenable number.

40344001 is a deficient number, since it is larger than the sum of its proper divisors (2650943).

40344001 is a wasteful number, since it uses less digits than its factorization.

40344001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37391.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40344001 is about 6351.6927664993. The cubic root of 40344001 is about 342.9727812892.

Adding to 40344001 its reverse (10044304), we get a palindrome (50388305).

The spelling of 40344001 in words is "forty million, three hundred forty-four thousand, one".