464681688 has 32 divisors (see below), whose sum is σ = 1163075760. Its totient is φ = 154711040.

The previous prime is 464681677. The next prime is 464681729. The reversal of 464681688 is 886186464.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 464681688.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10156 + ... + 32132.

Almost surely, 2^464681688 is an apocalyptic number.

It is an amenable number.

464681688 is an abundant number, since it is smaller than the sum of its proper divisors (698394072).

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

464681688 is a wasteful number, since it uses less digits than its factorization.

464681688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22867 (or 22863 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 51.

The square root of 464681688 is about 21556.4767065492. The cubic root of 464681688 is about 774.5542705069.

The spelling of 464681688 in words is "four hundred sixty-four million, six hundred eighty-one thousand, six hundred eighty-eight".