505410028 has 12 divisors (see below), whose sum is σ = 914966640. Its totient is φ = 243990992.

The previous prime is 505410007. The next prime is 505410029. The reversal of 505410028 is 820014505.

It is a junction number, because it is equal to n+sod(n) for n = 505409984 and 505410011.

It is not an unprimeable number, because it can be changed into a prime (505410029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178376 + ... + 2178607.

It is an arithmetic number, because the mean of its divisors is an integer number (76247220).

Almost surely, 2^505410028 is an apocalyptic number.

505410028 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

505410028 is a deficient number, since it is larger than the sum of its proper divisors (409556612).

505410028 is a wasteful number, since it uses less digits than its factorization.

505410028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357016 (or 4357014 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 505410028 is about 22481.3262064319. The cubic root of 505410028 is about 796.5528910501.

The spelling of 505410028 in words is "five hundred five million, four hundred ten thousand, twenty-eight".