485022240 has 144 divisors (see below), whose sum is σ = 1752587928. Its totient is φ = 121724928.

The previous prime is 485022217. The next prime is 485022269. The reversal of 485022240 is 42220584.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 291589776 + 193432464 = 17076^2 + 13908^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14574 + ... + 34386.

Almost surely, 2^485022240 is an apocalyptic number.

485022240 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 485022240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876293964).

485022240 is an abundant number, since it is smaller than the sum of its proper divisors (1267565688).

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

485022240 is a wasteful number, since it uses less digits than its factorization.

485022240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19851 (or 19840 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 485022240 is about 22023.2204729463. The cubic root of 485022240 is about 785.6948099383.

The spelling of 485022240 in words is "four hundred eighty-five million, twenty-two thousand, two hundred forty".