1026208768 has 88 divisors (see below), whose sum is σ = 2230280192. Its totient is φ = 469131264.

The previous prime is 1026208751. The next prime is 1026208787. The reversal of 1026208768 is 8678026201.

It is a self number, because there is not a number n which added to its sum of digits gives 1026208768.

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, 1690321 + ... + 1690927.

Almost surely, 2^1026208768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026208768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115140096).

1026208768 is an abundant number, since it is smaller than the sum of its proper divisors (1204071424).

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

1026208768 is a wasteful number, since it uses less digits than its factorization.

1026208768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1026208768 is about 32034.4934094485. The cubic root of 1026208768 is about 1008.6610260633.

The spelling of 1026208768 in words is "one billion, twenty-six million, two hundred eight thousand, seven hundred sixty-eight".