485163840 has 448 divisors, whose sum is σ = 1905463296. Its totient is φ = 102187008.

The previous prime is 485163781. The next prime is 485163851. The reversal of 485163840 is 48361584.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-3 number, since 3×485163840³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 6646044 + ... + 6646116.

Almost surely, 2^485163840 is an apocalyptic number.

485163840 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 485163840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952731648).

485163840 is an abundant number, since it is smaller than the sum of its proper divisors (1420299456).

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

485163840 is a wasteful number, since it uses less digits than its factorization.

485163840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 485163840 is about 22026.4350270306. The cubic root of 485163840 is about 785.7712624876.

The spelling of 485163840 in words is "four hundred eighty-five million, one hundred sixty-three thousand, eight hundred forty".