505026240 has 56 divisors (see below), whose sum is σ = 1603461360. Its totient is φ = 134673408.

The previous prime is 505026211. The next prime is 505026257. The reversal of 505026240 is 42620505.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 505026240.

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, 262075 + ... + 263994.

Almost surely, 2^505026240 is an apocalyptic number.

It is an amenable number.

505026240 is an abundant number, since it is smaller than the sum of its proper divisors (1098435120).

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

505026240 is a wasteful number, since it uses less digits than its factorization.

505026240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526089 (or 526079 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 505026240 is about 22472.7888789976. The cubic root of 505026240 is about 796.3512166094.

Adding to 505026240 its reverse (42620505), we get a palindrome (547646745).

The spelling of 505026240 in words is "five hundred five million, twenty-six thousand, two hundred forty".