1028559396080 has 40 divisors (see below), whose sum is σ = 2392813433472. Its totient is φ = 411180689664.

The previous prime is 1028559396041. The next prime is 1028559396101. The reversal of 1028559396080 is 806939558201.

It is a tau number, because it is divible by the number of its divisors (40).

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, 3661664 + ... + 3932543.

Almost surely, 2^{1028559396080} is an apocalyptic number.

1028559396080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028559396080 is an abundant number, since it is smaller than the sum of its proper divisors (1364254037392).

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

1028559396080 is a wasteful number, since it uses less digits than its factorization.

1028559396080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595913 (or 7595907 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 1028559396080 in words is "one trillion, twenty-eight billion, five hundred fifty-nine million, three hundred ninety-six thousand, eighty".