505575037444 has 9 divisors (see below), whose sum is σ = 884758804167. Its totient is φ = 252786807684.

The previous prime is 505575037439. The next prime is 505575037447. The reversal of 505575037444 is 444730575505.

The square root of 505575037444 is 711038.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×505575037444² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505575037447) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1244317 + ... + 1599835.

Almost surely, 2^505575037444 is an apocalyptic number.

505575037444 is the 711038-th square number.

It is an amenable number.

505575037444 is a deficient number, since it is larger than the sum of its proper divisors (379183766723).

505575037444 is an frugal number, since it uses more digits than its factorization.

505575037444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711042 (or 355521 counting only the distinct ones).

The product of its (nonzero) digits is 5880000, while the sum is 49.

Multiplying 505575037444 by its sum of digits (49), we get a square (24773176834756 = 4977266²).

The spelling of 505575037444 in words is "five hundred five billion, five hundred seventy-five million, thirty-seven thousand, four hundred forty-four".