1026465646468 has 6 divisors (see below), whose sum is σ = 1796314881326. Its totient is φ = 513232823232.

The previous prime is 1026465646463. The next prime is 1026465646477. The reversal of 1026465646468 is 8646465646201.

It can be written as a sum of positive squares in only one way, i.e., 558543980164 + 467921666304 = 747358^2 + 684048^2 .

It is not an unprimeable number, because it can be changed into a prime (1026465646463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128308205805 + ... + 128308205812.

Almost surely, 2^{1026465646468} is an apocalyptic number.

It is an amenable number.

1026465646468 is a deficient number, since it is larger than the sum of its proper divisors (769849234858).

1026465646468 is a wasteful number, since it uses less digits than its factorization.

1026465646468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256616411621 (or 256616411619 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 58.

The spelling of 1026465646468 in words is "one trillion, twenty-six billion, four hundred sixty-five million, six hundred forty-six thousand, four hundred sixty-eight".