7240533223252 has 72 divisors (see below), whose sum is σ = 15130631858496. Its totient is φ = 3021236330112.

The previous prime is 7240533223243. The next prime is 7240533223309. The reversal of 7240533223252 is 2523223350427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1265593 + ... + 4010335.

Almost surely, 2^{7240533223252} 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 7240533223252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7565315929248).

7240533223252 is an abundant number, since it is smaller than the sum of its proper divisors (7890098635244).

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

7240533223252 is a wasteful number, since it uses less digits than its factorization.

7240533223252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745117 (or 2745108 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 40.

Adding to 7240533223252 its reverse (2523223350427), we get a palindrome (9763756573679).

The spelling of 7240533223252 in words is "seven trillion, two hundred forty billion, five hundred thirty-three million, two hundred twenty-three thousand, two hundred fifty-two".