7243266240 has 504 divisors, whose sum is σ = 30070574352. Its totient is φ = 1654732800.

The previous prime is 7243266223. The next prime is 7243266257. The reversal of 7243266240 is 426623427.

7243266240 is a `hidden beast` number, since 7 + 2 + 4 + 3 + 26 + 624 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (7243266223) and next prime (7243266257).

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7243266195 and 7243266204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3809290 + ... + 3811190.

It is an arithmetic number, because the mean of its divisors is an integer number (59663838).

Almost surely, 2^7243266240 is an apocalyptic number.

7243266240 is a gapful number since it is divisible by the number (70) 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 7243266240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15035287176).

7243266240 is an abundant number, since it is smaller than the sum of its proper divisors (22827308112).

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

7243266240 is a wasteful number, since it uses less digits than its factorization.

7243266240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 7243266240 is about 85107.3806435141. The cubic root of 7243266240 is about 1934.8389265598.

Adding to 7243266240 its reverse (426623427), we get a palindrome (7669889667).

The spelling of 7243266240 in words is "seven billion, two hundred forty-three million, two hundred sixty-six thousand, two hundred forty".