3020453440 has 56 divisors (see below), whose sum is σ = 7203140280. Its totient is φ = 1206386688.

The previous prime is 3020453417. The next prime is 3020453479. The reversal of 3020453440 is 443540203.

It can be written as a sum of positive squares in 4 ways, for example, as 5125696 + 3015327744 = 2264^2 + 54912^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220224 + ... + 233536.

It is an arithmetic number, because the mean of its divisors is an integer number (128627505).

Almost surely, 2^3020453440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3020453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3601570140).

3020453440 is an abundant number, since it is smaller than the sum of its proper divisors (4182686840).

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

3020453440 is a wasteful number, since it uses less digits than its factorization.

3020453440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14039 (or 14029 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3020453440 is about 54958.6520940971. The cubic root of 3020453440 is about 1445.5198123460.

Adding to 3020453440 its reverse (443540203), we get a palindrome (3463993643).

The spelling of 3020453440 in words is "three billion, twenty million, four hundred fifty-three thousand, four hundred forty".