7240213240 has 64 divisors (see below), whose sum is σ = 18306388800. Its totient is φ = 2557074432.

The previous prime is 7240213223. The next prime is 7240213271. The reversal of 7240213240 is 423120427.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 290725 + ... + 314644.

It is an arithmetic number, because the mean of its divisors is an integer number (286037325).

Almost surely, 2^7240213240 is an apocalyptic number.

It is an amenable number.

7240213240 is an abundant number, since it is smaller than the sum of its proper divisors (11066175560).

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

7240213240 is a wasteful number, since it uses less digits than its factorization.

7240213240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605416 (or 605412 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 7240213240 is about 85089.4425883729. The cubic root of 7240213240 is about 1934.5670467580.

Adding to 7240213240 its reverse (423120427), we get a palindrome (7663333667).

The spelling of 7240213240 in words is "seven billion, two hundred forty million, two hundred thirteen thousand, two hundred forty".