1028495276800 has 108 divisors (see below), whose sum is σ = 2549424560760. Its totient is φ = 410794024960.

The previous prime is 1028495276749. The next prime is 1028495276813. The reversal of 1028495276800 is 86725948201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4253556 + ... + 4488844.

It is an arithmetic number, because the mean of its divisors is an integer number (23605782970).

Almost surely, 2^{1028495276800} is an apocalyptic number.

1028495276800 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 1028495276800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274712280380).

1028495276800 is an abundant number, since it is smaller than the sum of its proper divisors (1520929283960).

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

1028495276800 is an equidigital number, since it uses as much as digits as its factorization.

1028495276800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235998 (or 235979 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 1028495276800 in words is "one trillion, twenty-eight billion, four hundred ninety-five million, two hundred seventy-six thousand, eight hundred".