40444323134 has 16 divisors (see below), whose sum is σ = 64758890880. Its totient is φ = 18888007320.

The previous prime is 40444323131. The next prime is 40444323181. The reversal of 40444323134 is 43132344404.

It is a self number, because there is not a number n which added to its sum of digits gives 40444323134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444323131) 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, 7492544 + ... + 7497939.

It is an arithmetic number, because the mean of its divisors is an integer number (4047430680).

Almost surely, 2^40444323134 is an apocalyptic number.

40444323134 is a deficient number, since it is larger than the sum of its proper divisors (24314567746).

40444323134 is a wasteful number, since it uses less digits than its factorization.

40444323134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14990575.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 40444323134 its reverse (43132344404), we get a palindrome (83576667538).

The spelling of 40444323134 in words is "forty billion, four hundred forty-four million, three hundred twenty-three thousand, one hundred thirty-four".