510426666 has 24 divisors (see below), whose sum is σ = 1170979524. Its totient is φ = 160133760.

The previous prime is 510426661. The next prime is 510426667. The reversal of 510426666 is 666624015.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 440118441 + 70308225 = 20979^2 + 8385^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 510426666.

It is not an unprimeable number, because it can be changed into a prime (510426661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833725 + ... + 834336.

Almost surely, 2^510426666 is an apocalyptic number.

510426666 is an abundant number, since it is smaller than the sum of its proper divisors (660552858).

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

510426666 is a wasteful number, since it uses less digits than its factorization.

510426666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668086 (or 1668083 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 510426666 is about 22592.6241503726. The cubic root of 510426666 is about 799.1797144102.

The spelling of 510426666 in words is "five hundred ten million, four hundred twenty-six thousand, six hundred sixty-six".