40444444143 has 12 divisors (see below), whose sum is σ = 58596251688. Its totient is φ = 26881501680.

The previous prime is 40444444129. The next prime is 40444444153. The reversal of 40444444143 is 34144444404.

It is not a de Polignac number, because 40444444143 - 2¹⁴ = 40444427759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40444444098 and 40444444107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444444123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6785280 + ... + 6791237.

It is an arithmetic number, because the mean of its divisors is an integer number (4883020974).

Almost surely, 2^40444444143 is an apocalyptic number.

40444444143 is a deficient number, since it is larger than the sum of its proper divisors (18151807545).

40444444143 is a wasteful number, since it uses less digits than its factorization.

40444444143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13576854 (or 13576851 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 40444444143 its reverse (34144444404), we get a palindrome (74588888547).

The spelling of 40444444143 in words is "forty billion, four hundred forty-four million, four hundred forty-four thousand, one hundred forty-three".