1428857288860 has 12 divisors (see below), whose sum is σ = 3000600306648. Its totient is φ = 571542915536.

The previous prime is 1428857288849. The next prime is 1428857288893. The reversal of 1428857288860 is 688827588241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35721432202 + ... + 35721432241.

It is an arithmetic number, because the mean of its divisors is an integer number (250050025554).

Almost surely, 2^{1428857288860} is an apocalyptic number.

1428857288860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428857288860 is an abundant number, since it is smaller than the sum of its proper divisors (1571743017788).

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

1428857288860 is a wasteful number, since it uses less digits than its factorization.

1428857288860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71442864452 (or 71442864450 counting only the distinct ones).

The product of its (nonzero) digits is 110100480, while the sum is 67.

The spelling of 1428857288860 in words is "one trillion, four hundred twenty-eight billion, eight hundred fifty-seven million, two hundred eighty-eight thousand, eight hundred sixty".