4451232240 has 480 divisors, whose sum is σ = 18858542976. Its totient is φ = 915701760.

The previous prime is 4451232223. The next prime is 4451232257. The reversal of 4451232240 is 422321544.

It is an interprime number because it is at equal distance from previous prime (4451232223) and next prime (4451232257).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 2685492 + ... + 2687148.

Almost surely, 2^4451232240 is an apocalyptic number.

4451232240 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 4451232240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9429271488).

4451232240 is an abundant number, since it is smaller than the sum of its proper divisors (14407310736).

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

4451232240 is a wasteful number, since it uses less digits than its factorization.

4451232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4451232240 is about 66717.5557106224. Note that the first 3 decimals coincide. The cubic root of 4451232240 is about 1644.9779643085.

Adding to 4451232240 its reverse (422321544), we get a palindrome (4873553784).

The spelling of 4451232240 in words is "four billion, four hundred fifty-one million, two hundred thirty-two thousand, two hundred forty".