505352240 has 40 divisors (see below), whose sum is σ = 1176695520. Its totient is φ = 201839616.

The previous prime is 505352213. The next prime is 505352261. The reversal of 505352240 is 42253505.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53816 + ... + 62504.

It is an arithmetic number, because the mean of its divisors is an integer number (29417388).

Almost surely, 2^505352240 is an apocalyptic number.

It is an amenable number.

505352240 is an abundant number, since it is smaller than the sum of its proper divisors (671343280).

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

505352240 is a wasteful number, since it uses less digits than its factorization.

505352240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9429 (or 9423 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 505352240 is about 22480.0409252297. The cubic root of 505352240 is about 796.5225309132.

The spelling of 505352240 in words is "five hundred five million, three hundred fifty-two thousand, two hundred forty".