506217440 has 48 divisors (see below), whose sum is σ = 1198002960. Its totient is φ = 202137600.

The previous prime is 506217421. The next prime is 506217497. The reversal of 506217440 is 44712605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103040 + ... + 107840.

It is an arithmetic number, because the mean of its divisors is an integer number (24958395).

Almost surely, 2^506217440 is an apocalyptic number.

It is an amenable number.

506217440 is an abundant number, since it is smaller than the sum of its proper divisors (691785520).

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

506217440 is a wasteful number, since it uses less digits than its factorization.

506217440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475 (or 5467 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 506217440 is about 22499.2764328100. The cubic root of 506217440 is about 796.9768400204.

The spelling of 506217440 in words is "five hundred six million, two hundred seventeen thousand, four hundred forty".