40444001043505 has 16 divisors (see below), whose sum is σ = 48594727742400. Its totient is φ = 32313918238912.

The previous prime is 40444001043503. The next prime is 40444001043539. The reversal of 40444001043505 is 50534010044404.

It is a cyclic number.

It is not a de Polignac number, because 40444001043505 - 2¹ = 40444001043503 is a prime.

It is a super-4 number, since 4×40444001043505⁴ (a number of 56 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (40444001043503) 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 15 ways as a sum of consecutive naturals, for example, 276752946 + ... + 276899044.

It is an arithmetic number, because the mean of its divisors is an integer number (3037170483900).

Almost surely, 2^{40444001043505} is an apocalyptic number.

It is an amenable number.

40444001043505 is a deficient number, since it is larger than the sum of its proper divisors (8150726698895).

40444001043505 is a wasteful number, since it uses less digits than its factorization.

40444001043505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216368.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 40444001043505 its reverse (50534010044404), we get a palindrome (90978011087909).

The spelling of 40444001043505 in words is "forty trillion, four hundred forty-four billion, one million, forty-three thousand, five hundred five".