7243033440 has 192 divisors, whose sum is σ = 23619133440. Its totient is φ = 1863813120.

The previous prime is 7243033423. The next prime is 7243033463. The reversal of 7243033440 is 443303427.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 7243033398 and 7243033407.

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, 10073401 + ... + 10074119.

It is an arithmetic number, because the mean of its divisors is an integer number (123016320).

Almost surely, 2^7243033440 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 7243033440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11809566720).

7243033440 is an abundant number, since it is smaller than the sum of its proper divisors (16376100000).

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

7243033440 is a wasteful number, since it uses less digits than its factorization.

7243033440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 30.

The square root of 7243033440 is about 85106.0129485573. The cubic root of 7243033440 is about 1934.8181976367.

Adding to 7243033440 its reverse (443303427), we get a palindrome (7686336867).

The spelling of 7243033440 in words is "seven billion, two hundred forty-three million, thirty-three thousand, four hundred forty".