40444014 has 64 divisors (see below), whose sum is σ = 90478080. Its totient is φ = 11975040.

The previous prime is 40444013. The next prime is 40444031. The reversal of 40444014 is 41044404.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370992 + ... + 371100.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720).

Almost surely, 2^40444014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40444014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45239040).

40444014 is an abundant number, since it is smaller than the sum of its proper divisors (50034066).

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

40444014 is a wasteful number, since it uses less digits than its factorization.

40444014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 40444014 is about 6359.5608338941. The cubic root of 40444014 is about 343.2559578885.

Adding to 40444014 its reverse (41044404), we get a palindrome (81488418).

The spelling of 40444014 in words is "forty million, four hundred forty-four thousand, fourteen".