505444124 has 24 divisors (see below), whose sum is σ = 909477408. Its totient is φ = 245609280.

The previous prime is 505444117. The next prime is 505444127. The reversal of 505444124 is 421444505.

It is a super-2 number, since 2×505444124² = 510947524972254752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505444127) 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, 191534 + ... + 194154.

It is an arithmetic number, because the mean of its divisors is an integer number (37894892).

Almost surely, 2^505444124 is an apocalyptic number.

It is an amenable number.

505444124 is a deficient number, since it is larger than the sum of its proper divisors (404033284).

505444124 is a wasteful number, since it uses less digits than its factorization.

505444124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965 (or 3963 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 505444124 is about 22482.0845118952. The cubic root of 505444124 is about 796.5708030128.

Adding to 505444124 its reverse (421444505), we get a palindrome (926888629).

The spelling of 505444124 in words is "five hundred five million, four hundred forty-four thousand, one hundred twenty-four".