44006400811 has 8 divisors (see below), whose sum is σ = 44480038400. Its totient is φ = 43534749888.

The previous prime is 44006400773. The next prime is 44006400863. The reversal of 44006400811 is 11800460044.

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 44006400811 - 2⁹ = 44006400299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44006400811.

It is not an unprimeable number, because it can be changed into a prime (44006407811) 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, 452106 + ... + 540751.

It is an arithmetic number, because the mean of its divisors is an integer number (5560004800).

Almost surely, 2^44006400811 is an apocalyptic number.

44006400811 is a deficient number, since it is larger than the sum of its proper divisors (473637589).

44006400811 is a wasteful number, since it uses less digits than its factorization.

44006400811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993333.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 44006400811 its reverse (11800460044), we get a palindrome (55806860855).

The spelling of 44006400811 in words is "forty-four billion, six million, four hundred thousand, eight hundred eleven".