485331840 has 192 divisors, whose sum is σ = 1915486560. Its totient is φ = 110923776.

The previous prime is 485331797. The next prime is 485331851. The reversal of 485331840 is 48133584.

485331840 is a `hidden beast` number, since 48 + 533 + 1 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 485331795 and 485331804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34302 + ... + 46338.

Almost surely, 2^485331840 is an apocalyptic number.

485331840 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 485331840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957743280).

485331840 is an abundant number, since it is smaller than the sum of its proper divisors (1430154720).

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

485331840 is a wasteful number, since it uses less digits than its factorization.

485331840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12069 (or 12054 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 485331840 is about 22030.2482963765. The cubic root of 485331840 is about 785.8619496102.

The spelling of 485331840 in words is "four hundred eighty-five million, three hundred thirty-one thousand, eight hundred forty".