1446063666840 has 192 divisors, whose sum is σ = 5064687613440. Its totient is φ = 355710458880.

The previous prime is 1446063666799. The next prime is 1446063666851. The reversal of 1446063666840 is 486663606441.

It is a happy number.

It is a super-2 number, since 2×1446063666840² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6779254 + ... + 6989306.

It is an arithmetic number, because the mean of its divisors is an integer number (26378581320).

Almost surely, 2^{1446063666840} is an apocalyptic number.

1446063666840 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 1446063666840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2532343806720).

1446063666840 is an abundant number, since it is smaller than the sum of its proper divisors (3618623946600).

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

1446063666840 is a wasteful number, since it uses less digits than its factorization.

1446063666840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211554 (or 211547 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 54.

The spelling of 1446063666840 in words is "one trillion, four hundred forty-six billion, sixty-three million, six hundred sixty-six thousand, eight hundred forty".