520500044 has 24 divisors (see below), whose sum is σ = 943974528. Its totient is φ = 250859520.

The previous prime is 520500031. The next prime is 520500047. The reversal of 520500044 is 440005025.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 520499989 and 520500025.

It is not an unprimeable number, because it can be changed into a prime (520500047) 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, 23702 + ... + 40034.

It is an arithmetic number, because the mean of its divisors is an integer number (39332272).

Almost surely, 2^520500044 is an apocalyptic number.

It is an amenable number.

520500044 is a deficient number, since it is larger than the sum of its proper divisors (423474484).

520500044 is a wasteful number, since it uses less digits than its factorization.

520500044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16625 (or 16623 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 520500044 is about 22814.4700574000. The cubic root of 520500044 is about 804.4028306505.

Adding to 520500044 its reverse (440005025), we get a palindrome (960505069).

The spelling of 520500044 in words is "five hundred twenty million, five hundred thousand, forty-four".