1828775790720 has 96 divisors (see below), whose sum is σ = 6314991422220. Its totient is φ = 487673542656.

The previous prime is 1828775790707. The next prime is 1828775790761. The reversal of 1828775790720 is 270975778281.

1828775790720 is a `hidden beast` number, since 18 + 28 + 7 + 7 + 579 + 0 + 7 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1828141959744 + 633830976 = 1352088^2 + 25176^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1828775790720² (a number of 25 digits) contains 22 as substring.

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, 158742139 + ... + 158753658.

Almost surely, 2^{1828775790720} is an apocalyptic number.

1828775790720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1828775790720 is an abundant number, since it is smaller than the sum of its proper divisors (4486215631500).

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

1828775790720 is a wasteful number, since it uses less digits than its factorization.

1828775790720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317495822 (or 317495807 counting only the distinct ones).

The product of its (nonzero) digits is 27659520, while the sum is 63.

The spelling of 1828775790720 in words is "one trillion, eight hundred twenty-eight billion, seven hundred seventy-five million, seven hundred ninety thousand, seven hundred twenty".