7226645332240 has 40 divisors (see below), whose sum is σ = 16990736373720. Its totient is φ = 2858178825216.

The previous prime is 7226645332223. The next prime is 7226645332243. The reversal of 7226645332240 is 422335466227.

It can be written as a sum of positive squares in 4 ways, for example, as 677816303616 + 6548829028624 = 823296^2 + 2559068^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (7226645332243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507482019 + ... + 507496258.

It is an arithmetic number, because the mean of its divisors is an integer number (424768409343).

Almost surely, 2^{7226645332240} is an apocalyptic number.

It is an amenable number.

7226645332240 is an abundant number, since it is smaller than the sum of its proper divisors (9764091041480).

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

7226645332240 is a wasteful number, since it uses less digits than its factorization.

7226645332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014978379 (or 1014978373 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 7226645332240 in words is "seven trillion, two hundred twenty-six billion, six hundred forty-five million, three hundred thirty-two thousand, two hundred forty".