464720418 has 48 divisors (see below), whose sum is σ = 1056369600. Its totient is φ = 147446880.

The previous prime is 464720413. The next prime is 464720437. The reversal of 464720418 is 814027464.

464720418 is a `hidden beast` number, since 4 + 647 + 2 + 0 + 4 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (464720413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30793 + ... + 43331.

It is an arithmetic number, because the mean of its divisors is an integer number (22007700).

Almost surely, 2^464720418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464720418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528184800).

464720418 is an abundant number, since it is smaller than the sum of its proper divisors (591649182).

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

464720418 is a wasteful number, since it uses less digits than its factorization.

464720418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647 (or 12644 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 464720418 is about 21557.3750257308. The cubic root of 464720418 is about 774.5757889315.

The spelling of 464720418 in words is "four hundred sixty-four million, seven hundred twenty thousand, four hundred eighteen".