7266562311240 has 192 divisors, whose sum is σ = 24862131964800. Its totient is φ = 1835553401856.

The previous prime is 7266562311181. The next prime is 7266562311287. The reversal of 7266562311240 is 421132656627.

7266562311240 is a `hidden beast` number, since 7 + 2 + 6 + 6 + 5 + 623 + 1 + 12 + 4 + 0 = 666.

It is a super-2 number, since 2×7266562311240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64903549 + ... + 65015411.

It is an arithmetic number, because the mean of its divisors is an integer number (129490270650).

Almost surely, 2^{7266562311240} 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 7266562311240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12431065982400).

7266562311240 is an abundant number, since it is smaller than the sum of its proper divisors (17595569653560).

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

7266562311240 is a wasteful number, since it uses less digits than its factorization.

7266562311240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121396 (or 121389 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

Adding to 7266562311240 its reverse (421132656627), we get a palindrome (7687694967867).

The spelling of 7266562311240 in words is "seven trillion, two hundred sixty-six billion, five hundred sixty-two million, three hundred eleven thousand, two hundred forty".