1828049279720 has 64 divisors (see below), whose sum is σ = 4128158275920. Its totient is φ = 728545849344.

The previous prime is 1828049279689. The next prime is 1828049279729. The reversal of 1828049279720 is 279729408281.

It can be written as a sum of positive squares in 8 ways, for example, as 1531401300004 + 296647979716 = 1237498^2 + 544654^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1828049279720.

It is not an unprimeable number, because it can be changed into a prime (1828049279729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54563294 + ... + 54596786.

Almost surely, 2^{1828049279720} is an apocalyptic number.

1828049279720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1828049279720 is an abundant number, since it is smaller than the sum of its proper divisors (2300108996200).

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

1828049279720 is a wasteful number, since it uses less digits than its factorization.

1828049279720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38454 (or 38450 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 1828049279720 in words is "one trillion, eight hundred twenty-eight billion, forty-nine million, two hundred seventy-nine thousand, seven hundred twenty".