506046640 has 40 divisors (see below), whose sum is σ = 1283520528. Its totient is φ = 184016640.

The previous prime is 506046637. The next prime is 506046647. The reversal of 506046640 is 46640605.

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

It is not an unprimeable number, because it can be changed into a prime (506046647) by changing a digit.

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, 286647 + ... + 288406.

Almost surely, 2^506046640 is an apocalyptic number.

It is an amenable number.

506046640 is an abundant number, since it is smaller than the sum of its proper divisors (777473888).

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

506046640 is a wasteful number, since it uses less digits than its factorization.

506046640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575077 (or 575071 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 506046640 is about 22495.4804349674. The cubic root of 506046640 is about 796.8871954356.

The spelling of 506046640 in words is "five hundred six million, forty-six thousand, six hundred forty".