4545024440 has 64 divisors (see below), whose sum is σ = 11199656160. Its totient is φ = 1646264320.

The previous prime is 4545024439. The next prime is 4545024461. The reversal of 4545024440 is 444205454.

It is a junction number, because it is equal to n+sod(n) for n = 4545024397 and 4545024406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92984 + ... + 133176.

Almost surely, 2^4545024440 is an apocalyptic number.

4545024440 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 4545024440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5599828080).

4545024440 is an abundant number, since it is smaller than the sum of its proper divisors (6654631720).

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

4545024440 is a wasteful number, since it uses less digits than its factorization.

4545024440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40472 (or 40468 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 4545024440 is about 67416.7964234433. The cubic root of 4545024440 is about 1656.4515628146.

Adding to 4545024440 its reverse (444205454), we get a palindrome (4989229894).

The spelling of 4545024440 in words is "four billion, five hundred forty-five million, twenty-four thousand, four hundred forty".