40444373 has 8 divisors (see below), whose sum is σ = 42389568. Its totient is φ = 38514784.

The previous prime is 40444361. The next prime is 40444387. The reversal of 40444373 is 37344404.

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

It is a cyclic number.

It is not a de Polignac number, because 40444373 - 2¹⁶ = 40378837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586 + ... + 9132.

It is an arithmetic number, because the mean of its divisors is an integer number (5298696).

Almost surely, 2^40444373 is an apocalyptic number.

It is an amenable number.

40444373 is a deficient number, since it is larger than the sum of its proper divisors (1945195).

40444373 is a wasteful number, since it uses less digits than its factorization.

40444373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7803.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 40444373 is about 6359.5890590509. The cubic root of 40444373 is about 343.2569735190.

Adding to 40444373 its reverse (37344404), we get a palindrome (77788777).

The spelling of 40444373 in words is "forty million, four hundred forty-four thousand, three hundred seventy-three".