7240253343205 has 4 divisors (see below), whose sum is σ = 8688304011852. Its totient is φ = 5792202674560.

The previous prime is 7240253343149. The next prime is 7240253343241. The reversal of 7240253343205 is 5023433520427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3411257547681 + 3828995795524 = 1846959^2 + 1956782^2 .

It is not a de Polignac number, because 7240253343205 - 2¹¹ = 7240253341157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724025334316 + ... + 724025334325.

It is an arithmetic number, because the mean of its divisors is an integer number (2172076002963).

Almost surely, 2^{7240253343205} is an apocalyptic number.

It is an amenable number.

7240253343205 is a deficient number, since it is larger than the sum of its proper divisors (1448050668647).

7240253343205 is a wasteful number, since it uses less digits than its factorization.

7240253343205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448050668646.

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

The spelling of 7240253343205 in words is "seven trillion, two hundred forty billion, two hundred fifty-three million, three hundred forty-three thousand, two hundred five".