485998240 has 192 divisors, whose sum is σ = 1463132160. Its totient is φ = 148377600.

The previous prime is 485998237. The next prime is 485998277. The reversal of 485998240 is 42899584.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421665 + ... + 422815.

It is an arithmetic number, because the mean of its divisors is an integer number (7620480).

Almost surely, 2^485998240 is an apocalyptic number.

485998240 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 485998240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731566080).

485998240 is an abundant number, since it is smaller than the sum of its proper divisors (977133920).

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

485998240 is a wasteful number, since it uses less digits than its factorization.

485998240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 485998240 is about 22045.3677674018. The cubic root of 485998240 is about 786.2214691865.

The spelling of 485998240 in words is "four hundred eighty-five million, nine hundred ninety-eight thousand, two hundred forty".