7240515872740 has 48 divisors (see below), whose sum is σ = 15307983356400. Its totient is φ = 2876608512000.

The previous prime is 7240515872731. The next prime is 7240515872761. The reversal of 7240515872740 is 472785150427.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 651016604736 + 6589499268004 = 806856^2 + 2567002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63455740 + ... + 63569740.

It is an arithmetic number, because the mean of its divisors is an integer number (318916319925).

Almost surely, 2^{7240515872740} is an apocalyptic number.

It is an amenable number.

7240515872740 is an abundant number, since it is smaller than the sum of its proper divisors (8067467483660).

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

7240515872740 is a wasteful number, since it uses less digits than its factorization.

7240515872740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135472 (or 135470 counting only the distinct ones).

The product of its (nonzero) digits is 4390400, while the sum is 52.

The spelling of 7240515872740 in words is "seven trillion, two hundred forty billion, five hundred fifteen million, eight hundred seventy-two thousand, seven hundred forty".