485965440 has 128 divisors (see below), whose sum is σ = 1721188800. Its totient is φ = 129586176.

The previous prime is 485965387. The next prime is 485965457. The reversal of 485965440 is 44569584.

485965440 is a `hidden beast` number, since 4 + 8 + 596 + 54 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3219 + ... + 31341.

Almost surely, 2^485965440 is an apocalyptic number.

485965440 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 485965440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860594400).

485965440 is an abundant number, since it is smaller than the sum of its proper divisors (1235223360).

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

485965440 is a wasteful number, since it uses less digits than its factorization.

485965440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28151 (or 28133 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 485965440 is about 22044.6238343955. The cubic root of 485965440 is about 786.2037814377.

The spelling of 485965440 in words is "four hundred eighty-five million, nine hundred sixty-five thousand, four hundred forty".