505074408 has 128 divisors (see below), whose sum is σ = 1348945920. Its totient is φ = 157386240.

The previous prime is 505074407. The next prime is 505074419. The reversal of 505074408 is 804470505.

It is not an unprimeable number, because it can be changed into a prime (505074407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3098535 + ... + 3098697.

It is an arithmetic number, because the mean of its divisors is an integer number (10538640).

Almost surely, 2^505074408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505074408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674472960).

505074408 is an abundant number, since it is smaller than the sum of its proper divisors (843871512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505074408 is a wasteful number, since it uses less digits than its factorization.

505074408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 505074408 is about 22473.8605495362. The cubic root of 505074408 is about 796.3765337268.

The spelling of 505074408 in words is "five hundred five million, seventy-four thousand, four hundred eight".