8240288555664 has 160 divisors (see below), whose sum is σ = 26113803609600. Its totient is φ = 2466971994240.

The previous prime is 8240288555651. The next prime is 8240288555683. The reversal of 8240288555664 is 4665558820428.

It is a happy number.

8240288555664 is a `hidden beast` number, since 8 + 2 + 40 + 28 + 8 + 5 + 5 + 566 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10051774 + ... + 10840605.

It is an arithmetic number, because the mean of its divisors is an integer number (163211272560).

Almost surely, 2^{8240288555664} is an apocalyptic number.

It is an amenable number.

8240288555664 is an abundant number, since it is smaller than the sum of its proper divisors (17873515053936).

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

8240288555664 is a wasteful number, since it uses less digits than its factorization.

8240288555664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20892490 (or 20892478 counting only the distinct ones).

The product of its (nonzero) digits is 147456000, while the sum is 63.

The spelling of 8240288555664 in words is "eight trillion, two hundred forty billion, two hundred eighty-eight million, five hundred fifty-five thousand, six hundred sixty-four".