505250240 has 56 divisors (see below), whose sum is σ = 1312511472. Its totient is φ = 183726080.

The previous prime is 505250227. The next prime is 505250243. The reversal of 505250240 is 42052505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505250243) 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, 68249 + ... + 75288.

Almost surely, 2^505250240 is an apocalyptic number.

It is an amenable number.

505250240 is an abundant number, since it is smaller than the sum of its proper divisors (807261232).

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

505250240 is a wasteful number, since it uses less digits than its factorization.

505250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143565 (or 143555 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 505250240 is about 22477.7721315970. The cubic root of 505250240 is about 796.4689374270.

The spelling of 505250240 in words is "five hundred five million, two hundred fifty thousand, two hundred forty".