40444174 has 4 divisors (see below), whose sum is σ = 60666264. Its totient is φ = 20222086.

The previous prime is 40444171. The next prime is 40444177. The reversal of 40444174 is 47144404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40444171) and next prime (40444177).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111042 + ... + 10111045.

It is an arithmetic number, because the mean of its divisors is an integer number (15166566).

Almost surely, 2^40444174 is an apocalyptic number.

40444174 is a deficient number, since it is larger than the sum of its proper divisors (20222090).

40444174 is a wasteful number, since it uses less digits than its factorization.

40444174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222089.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 40444174 is about 6359.5734133667. The cubic root of 40444174 is about 343.2564105379.

Adding to 40444174 its reverse (47144404), we get a palindrome (87588578).

The spelling of 40444174 in words is "forty million, four hundred forty-four thousand, one hundred seventy-four".