1428585872880 has 160 divisors (see below), whose sum is σ = 4478932329984. Its totient is φ = 376642198528.

The previous prime is 1428585872873. The next prime is 1428585872927. The reversal of 1428585872880 is 882785858241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12861742 + ... + 12972338.

Almost surely, 2^{1428585872880} is an apocalyptic number.

1428585872880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428585872880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2239466164992).

1428585872880 is an abundant number, since it is smaller than the sum of its proper divisors (3050346457104).

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

1428585872880 is a wasteful number, since it uses less digits than its factorization.

1428585872880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111223 (or 111217 counting only the distinct ones).

The product of its (nonzero) digits is 91750400, while the sum is 66.

The spelling of 1428585872880 in words is "one trillion, four hundred twenty-eight billion, five hundred eighty-five million, eight hundred seventy-two thousand, eight hundred eighty".