485305440 has 96 divisors (see below), whose sum is σ = 1533621600. Its totient is φ = 128999424.

The previous prime is 485305423. The next prime is 485305441. The reversal of 485305440 is 44503584.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485305441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166072 + ... + 168968.

It is an arithmetic number, because the mean of its divisors is an integer number (15975225).

Almost surely, 2^485305440 is an apocalyptic number.

485305440 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 485305440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766810800).

485305440 is an abundant number, since it is smaller than the sum of its proper divisors (1048316160).

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

485305440 is a wasteful number, since it uses less digits than its factorization.

485305440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3256 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 485305440 is about 22029.6491120490. The cubic root of 485305440 is about 785.8477001627.

The spelling of 485305440 in words is "four hundred eighty-five million, three hundred five thousand, four hundred forty".