464660388 has 120 divisors (see below), whose sum is σ = 1330975800. Its totient is φ = 140700672.

The previous prime is 464660309. The next prime is 464660411. The reversal of 464660388 is 883066464.

It can be written as a sum of positive squares in 4 ways, for example, as 219988224 + 244672164 = 14832^2 + 15642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 158278 + ... + 161186.

It is an arithmetic number, because the mean of its divisors is an integer number (11091465).

Almost surely, 2^464660388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464660388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665487900).

464660388 is an abundant number, since it is smaller than the sum of its proper divisors (866315412).

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

464660388 is a wasteful number, since it uses less digits than its factorization.

464660388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 464660388 is about 21555.9826498353. The cubic root of 464660388 is about 774.5424356972.

The spelling of 464660388 in words is "four hundred sixty-four million, six hundred sixty thousand, three hundred eighty-eight".