1428715866768 has 40 divisors (see below), whose sum is σ = 3691014751008. Its totient is φ = 476217276672.

The previous prime is 1428715866733. The next prime is 1428715866827. The reversal of 1428715866768 is 8676685178241.

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, 433755 + ... + 1745157.

Almost surely, 2^{1428715866768} is an apocalyptic number.

It is an amenable number.

1428715866768 is an abundant number, since it is smaller than the sum of its proper divisors (2262298884240).

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

1428715866768 is a wasteful number, since it uses less digits than its factorization.

1428715866768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334111 (or 1334105 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 69.

The spelling of 1428715866768 in words is "one trillion, four hundred twenty-eight billion, seven hundred fifteen million, eight hundred sixty-six thousand, seven hundred sixty-eight".