506477644 has 6 divisors (see below), whose sum is σ = 886335884. Its totient is φ = 253238820.

The previous prime is 506477627. The next prime is 506477681. The reversal of 506477644 is 446774605.

It is a super-3 number, since 3×506477644³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 506477644.

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 as a sum of consecutive naturals, namely, 63309702 + ... + 63309709.

Almost surely, 2^506477644 is an apocalyptic number.

It is an amenable number.

506477644 is a deficient number, since it is larger than the sum of its proper divisors (379858240).

506477644 is a wasteful number, since it uses less digits than its factorization.

506477644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126619415 (or 126619413 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The square root of 506477644 is about 22505.0581869943. The cubic root of 506477644 is about 797.1133696509.

The spelling of 506477644 in words is "five hundred six million, four hundred seventy-seven thousand, six hundred forty-four".