505560044 has 24 divisors (see below), whose sum is σ = 978759936. Its totient is φ = 226562000.

The previous prime is 505560031. The next prime is 505560049. The reversal of 505560044 is 440065505.

It is a junction number, because it is equal to n+sod(n) for n = 505559989 and 505560016.

It is not an unprimeable number, because it can be changed into a prime (505560049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77792 + ... + 84039.

It is an arithmetic number, because the mean of its divisors is an integer number (40781664).

Almost surely, 2^505560044 is an apocalyptic number.

It is an amenable number.

505560044 is a deficient number, since it is larger than the sum of its proper divisors (473199892).

505560044 is a wasteful number, since it uses less digits than its factorization.

505560044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161917 (or 161915 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 505560044 is about 22484.6624168565. The cubic root of 505560044 is about 796.6316942996.

The spelling of 505560044 in words is "five hundred five million, five hundred sixty thousand, forty-four".