506668042 has 16 divisors (see below), whose sum is σ = 765902592. Its totient is φ = 251375040.

The previous prime is 506668033. The next prime is 506668069. The reversal of 506668042 is 240866605.

It is a super-3 number, since 3×506668042³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 506667992 and 506668010.

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, 148617 + ... + 151987.

It is an arithmetic number, because the mean of its divisors is an integer number (47868912).

Almost surely, 2^506668042 is an apocalyptic number.

506668042 is a deficient number, since it is larger than the sum of its proper divisors (259234550).

506668042 is a wasteful number, since it uses less digits than its factorization.

506668042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 506668042 is about 22509.2879052181. The cubic root of 506668042 is about 797.2132422904.

The spelling of 506668042 in words is "five hundred six million, six hundred sixty-eight thousand, forty-two".