505538370 has 24 divisors (see below), whose sum is σ = 1314399996. Its totient is φ = 134810208.

The previous prime is 505538311. The next prime is 505538381. The reversal of 505538370 is 73835505.

505538370 is a `hidden beast` number, since 50 + 5 + 538 + 3 + 70 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 472671081 + 32867289 = 21741^2 + 5733^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2808457 + ... + 2808636.

Almost surely, 2^505538370 is an apocalyptic number.

505538370 is an abundant number, since it is smaller than the sum of its proper divisors (808861626).

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

505538370 is a wasteful number, since it uses less digits than its factorization.

505538370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617106 (or 5617103 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 505538370 is about 22484.1804386996. The cubic root of 505538370 is about 796.6203099333.

The spelling of 505538370 in words is "five hundred five million, five hundred thirty-eight thousand, three hundred seventy".