523840466 has 4 divisors (see below), whose sum is σ = 785760702. Its totient is φ = 261920232.

The previous prime is 523840463. The next prime is 523840483. The reversal of 523840466 is 664048325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 509179225 + 14661241 = 22565^2 + 3829^2 .

It is not an unprimeable number, because it can be changed into a prime (523840463) 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 as a sum of consecutive naturals, namely, 130960115 + ... + 130960118.

Almost surely, 2^523840466 is an apocalyptic number.

523840466 is a deficient number, since it is larger than the sum of its proper divisors (261920236).

523840466 is a wasteful number, since it uses less digits than its factorization.

523840466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261920235.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 523840466 is about 22887.5613816763. The cubic root of 523840466 is about 806.1199724128.

The spelling of 523840466 in words is "five hundred twenty-three million, eight hundred forty thousand, four hundred sixty-six".