8240565609628 has 48 divisors (see below), whose sum is σ = 15749842445568. Its totient is φ = 3741463232000.

The previous prime is 8240565609623. The next prime is 8240565609659. The reversal of 8240565609628 is 8269065650428.

It is a happy number.

It is a super-3 number, since 3×8240565609628³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8240565609623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143818401 + ... + 143875687.

It is an arithmetic number, because the mean of its divisors is an integer number (328121717616).

Almost surely, 2^{8240565609628} is an apocalyptic number.

It is an amenable number.

8240565609628 is a deficient number, since it is larger than the sum of its proper divisors (7509276835940).

8240565609628 is a wasteful number, since it uses less digits than its factorization.

8240565609628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60954 (or 60952 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 8240565609628 in words is "eight trillion, two hundred forty billion, five hundred sixty-five million, six hundred nine thousand, six hundred twenty-eight".