464001660 has 144 divisors (see below), whose sum is σ = 1490885760. Its totient is φ = 116484480.

The previous prime is 464001649. The next prime is 464001661. The reversal of 464001660 is 66100464.

464001660 is a `hidden beast` number, since 4 + 640 + 0 + 16 + 6 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464001661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 721299 + ... + 721941.

Almost surely, 2^464001660 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 464001660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745442880).

464001660 is an abundant number, since it is smaller than the sum of its proper divisors (1026884100).

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

464001660 is a wasteful number, since it uses less digits than its factorization.

464001660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 464001660 is about 21540.6977602862. The cubic root of 464001660 is about 774.1762513508.

The spelling of 464001660 in words is "four hundred sixty-four million, one thousand, six hundred sixty".