464439318 has 64 divisors (see below), whose sum is σ = 1111034880. Its totient is φ = 126652032.

The previous prime is 464439301. The next prime is 464439331. The reversal of 464439318 is 813934464.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 464439318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79543 + ... + 85181.

It is an arithmetic number, because the mean of its divisors is an integer number (17359920).

Almost surely, 2^464439318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464439318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555517440).

464439318 is an abundant number, since it is smaller than the sum of its proper divisors (646595562).

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

464439318 is a wasteful number, since it uses less digits than its factorization.

464439318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741.

The product of its digits is 248832, while the sum is 42.

The square root of 464439318 is about 21550.8542290091. The cubic root of 464439318 is about 774.4195823455.

The spelling of 464439318 in words is "four hundred sixty-four million, four hundred thirty-nine thousand, three hundred eighteen".