1284644924160 has 576 divisors, whose sum is σ = 4687712870400. Its totient is φ = 297023569920.

The previous prime is 1284644924149. The next prime is 1284644924161. The reversal of 1284644924160 is 614294464821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1284644924161) 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 63 ways as a sum of consecutive naturals, for example, 535490641 + ... + 535493039.

It is an arithmetic number, because the mean of its divisors is an integer number (8138390400).

Almost surely, 2^{1284644924160} is an apocalyptic number.

1284644924160 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 1284644924160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343856435200).

1284644924160 is an abundant number, since it is smaller than the sum of its proper divisors (3403067946240).

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

1284644924160 is a wasteful number, since it uses less digits than its factorization.

1284644924160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 1284644924160 in words is "one trillion, two hundred eighty-four billion, six hundred forty-four million, nine hundred twenty-four thousand, one hundred sixty".