464667642 has 24 divisors (see below), whose sum is σ = 1025777844. Its totient is φ = 151966464.

The previous prime is 464667631. The next prime is 464667659. The reversal of 464667642 is 246766464.

It can be written as a sum of positive squares in 2 ways, for example, as 463583961 + 1083681 = 21531^2 + 1041^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 242583 + ... + 244490.

Almost surely, 2^464667642 is an apocalyptic number.

464667642 is an abundant number, since it is smaller than the sum of its proper divisors (561110202).

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

464667642 is a wasteful number, since it uses less digits than its factorization.

464667642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487134 (or 487131 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The square root of 464667642 is about 21556.1509087314. The cubic root of 464667642 is about 774.5464662406.

The spelling of 464667642 in words is "four hundred sixty-four million, six hundred sixty-seven thousand, six hundred forty-two".