440404044131 has 16 divisors (see below), whose sum is σ = 472988325888. Its totient is φ = 408564508800.

The previous prime is 440404044109. The next prime is 440404044149. The reversal of 440404044131 is 131440404044.

It is not a de Polignac number, because 440404044131 - 2¹⁴ = 440404027747 is a prime.

It is a super-2 number, since 2×440404044131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440404044094 and 440404044103.

It is not an unprimeable number, because it can be changed into a prime (440406044131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5418926 + ... + 5499596.

It is an arithmetic number, because the mean of its divisors is an integer number (29561770368).

Almost surely, 2^440404044131 is an apocalyptic number.

440404044131 is a deficient number, since it is larger than the sum of its proper divisors (32584281757).

440404044131 is a wasteful number, since it uses less digits than its factorization.

440404044131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85282.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 440404044131 its reverse (131440404044), we get a palindrome (571844448175).

The spelling of 440404044131 in words is "four hundred forty billion, four hundred four million, forty-four thousand, one hundred thirty-one".