4553043440 has 160 divisors (see below), whose sum is σ = 12058103232. Its totient is φ = 1584128000.

The previous prime is 4553043431. The next prime is 4553043457. The reversal of 4553043440 is 443403554.

It is a junction number, because it is equal to n+sod(n) for n = 4553043397 and 4553043406.

It is a congruent number.

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, 1911050 + ... + 1913430.

Almost surely, 2^4553043440 is an apocalyptic number.

4553043440 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 4553043440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6029051616).

4553043440 is an abundant number, since it is smaller than the sum of its proper divisors (7505059792).

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

4553043440 is a wasteful number, since it uses less digits than its factorization.

4553043440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499 (or 2493 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 4553043440 is about 67476.2435231838. The cubic root of 4553043440 is about 1657.4251755286.

Adding to 4553043440 its reverse (443403554), we get a palindrome (4996446994).

The spelling of 4553043440 in words is "four billion, five hundred fifty-three million, forty-three thousand, four hundred forty".