470165640 has 256 divisors, whose sum is σ = 1721088000. Its totient is φ = 100362240.

The previous prime is 470165639. The next prime is 470165671. The reversal of 470165640 is 46561074.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1420275 + ... + 1420605.

It is an arithmetic number, because the mean of its divisors is an integer number (6723000).

Almost surely, 2^470165640 is an apocalyptic number.

470165640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 470165640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860544000).

470165640 is an abundant number, since it is smaller than the sum of its proper divisors (1250922360).

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

470165640 is a wasteful number, since it uses less digits than its factorization.

470165640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 470165640 is about 21683.3032538864. The cubic root of 470165640 is about 777.5893357231.

The spelling of 470165640 in words is "four hundred seventy million, one hundred sixty-five thousand, six hundred forty".