40444635742 has 8 divisors (see below), whose sum is σ = 69333661296. Its totient is φ = 17333415312.

The previous prime is 40444635727. The next prime is 40444635743. The reversal of 40444635742 is 24753644404.

It is a happy number.

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 (40444635743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444451263 + ... + 1444451290.

It is an arithmetic number, because the mean of its divisors is an integer number (8666707662).

Almost surely, 2^40444635742 is an apocalyptic number.

40444635742 is a deficient number, since it is larger than the sum of its proper divisors (28889025554).

40444635742 is a wasteful number, since it uses less digits than its factorization.

40444635742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888902562.

The product of its (nonzero) digits is 1290240, while the sum is 43.

The spelling of 40444635742 in words is "forty billion, four hundred forty-four million, six hundred thirty-five thousand, seven hundred forty-two".