504440144410431 has 32 divisors (see below), whose sum is σ = 684133323793920. Its totient is φ = 330522652116864.

The previous prime is 504440144410399. The next prime is 504440144410507. The reversal of 504440144410431 is 134014441044405.

It is not a de Polignac number, because 504440144410431 - 2⁵ = 504440144410399 is a prime.

It is a super-2 number, since 2×504440144410431² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 504440144410431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504440144410031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28091551105 + ... + 28091569061.

It is an arithmetic number, because the mean of its divisors is an integer number (21379166368560).

Almost surely, 2^{504440144410431} is an apocalyptic number.

504440144410431 is a deficient number, since it is larger than the sum of its proper divisors (179693179383489).

504440144410431 is a wasteful number, since it uses less digits than its factorization.

504440144410431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43215.

The product of its (nonzero) digits is 245760, while the sum is 39.

Adding to 504440144410431 its reverse (134014441044405), we get a palindrome (638454585454836).

The spelling of 504440144410431 in words is "five hundred four trillion, four hundred forty billion, one hundred forty-four million, four hundred ten thousand, four hundred thirty-one".