505325500444 has 12 divisors (see below), whose sum is σ = 884853324544. Its totient is φ = 252510264864.

The previous prime is 505325500397. The next prime is 505325500451. The reversal of 505325500444 is 444005523505.

It is a super-2 number, since 2×505325500444² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38113884 + ... + 38127139.

Almost surely, 2^505325500444 is an apocalyptic number.

It is an amenable number.

505325500444 is a deficient number, since it is larger than the sum of its proper divisors (379527824100).

505325500444 is a wasteful number, since it uses less digits than its factorization.

505325500444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76242684 (or 76242682 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 505325500444 in words is "five hundred five billion, three hundred twenty-five million, five hundred thousand, four hundred forty-four".