1820924868288 has 112 divisors (see below), whose sum is σ = 4952960400384. Its totient is φ = 590125977600.

The previous prime is 1820924868263. The next prime is 1820924868307. The reversal of 1820924868288 is 8828684290281.

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 15 ways as a sum of consecutive naturals, for example, 694456 + ... + 2030792.

Almost surely, 2^{1820924868288} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1820924868288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476480200192).

1820924868288 is an abundant number, since it is smaller than the sum of its proper divisors (3132035532096).

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

1820924868288 is a wasteful number, since it uses less digits than its factorization.

1820924868288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336550 (or 1336540 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 66.

The spelling of 1820924868288 in words is "one trillion, eight hundred twenty billion, nine hundred twenty-four million, eight hundred sixty-eight thousand, two hundred eighty-eight".