504513422452444 has 72 divisors (see below), whose sum is σ = 929553812221104. Its totient is φ = 239502335155200.

The previous prime is 504513422452411. The next prime is 504513422452673. The reversal of 504513422452444 is 444254224315405.

It is a happy number.

It is a super-2 number, since 2×504513422452444² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5938134124 + ... + 5938219084.

It is an arithmetic number, because the mean of its divisors is an integer number (12910469614182).

Almost surely, 2^{504513422452444} is an apocalyptic number.

It is an amenable number.

504513422452444 is a deficient number, since it is larger than the sum of its proper divisors (425040389768660).

504513422452444 is a wasteful number, since it uses less digits than its factorization.

504513422452444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114227 (or 114194 counting only the distinct ones).

The product of its (nonzero) digits is 12288000, while the sum is 49.

Adding to 504513422452444 its reverse (444254224315405), we get a palindrome (948767646767849).

The spelling of 504513422452444 in words is "five hundred four trillion, five hundred thirteen billion, four hundred twenty-two million, four hundred fifty-two thousand, four hundred forty-four".