1426668393696 has 384 divisors, whose sum is σ = 4717980288000. Its totient is φ = 375090186240.

The previous prime is 1426668393617. The next prime is 1426668393701. The reversal of 1426668393696 is 6963938666241.

It is a super-2 number, since 2×1426668393696² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1426668393696.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141684150 + ... + 141694218.

It is an arithmetic number, because the mean of its divisors is an integer number (12286407000).

Almost surely, 2^{1426668393696} is an apocalyptic number.

1426668393696 is a gapful number since it is divisible by the number (16) 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 1426668393696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2358990144000).

1426668393696 is an abundant number, since it is smaller than the sum of its proper divisors (3291311894304).

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

1426668393696 is a wasteful number, since it uses less digits than its factorization.

1426668393696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10447 (or 10425 counting only the distinct ones).

The product of its digits is 362797056, while the sum is 69.

The spelling of 1426668393696 in words is "one trillion, four hundred twenty-six billion, six hundred sixty-eight million, three hundred ninety-three thousand, six hundred ninety-six".