506044665 has 80 divisors (see below), whose sum is σ = 1047391488. Its totient is φ = 228956544.

The previous prime is 506044663. The next prime is 506044667. The reversal of 506044665 is 566440605.

It is a happy number.

506044665 is a `hidden beast` number, since 5 + 0 + 604 + 46 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (506044663) and next prime (506044667).

It is not a de Polignac number, because 506044665 - 2¹ = 506044663 is a prime.

It is a super-3 number, since 3×506044665³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (506044663) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 291139 + ... + 292871.

Almost surely, 2^506044665 is an apocalyptic number.

It is an amenable number.

506044665 is an abundant number, since it is smaller than the sum of its proper divisors (541346823).

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

506044665 is a wasteful number, since it uses less digits than its factorization.

506044665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 506044665 is about 22495.4365372179. The cubic root of 506044665 is about 796.8861587365.

The spelling of 506044665 in words is "five hundred six million, forty-four thousand, six hundred sixty-five".