8240386814648 has 32 divisors (see below), whose sum is σ = 16264210060800. Its totient is φ = 3903271831008.

The previous prime is 8240386814609. The next prime is 8240386814687. The reversal of 8240386814648 is 8464186830428.

It is an interprime number because it is at equal distance from previous prime (8240386814609) and next prime (8240386814687).

It is a super-2 number, since 2×8240386814648² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8681465 + ... + 9583767.

It is an arithmetic number, because the mean of its divisors is an integer number (508256564400).

Almost surely, 2^{8240386814648} is an apocalyptic number.

It is an amenable number.

8240386814648 is a deficient number, since it is larger than the sum of its proper divisors (8023823246152).

8240386814648 is a wasteful number, since it uses less digits than its factorization.

8240386814648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962411 (or 962407 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 62.

The spelling of 8240386814648 in words is "eight trillion, two hundred forty billion, three hundred eighty-six million, eight hundred fourteen thousand, six hundred forty-eight".