1426775221674 has 96 divisors (see below), whose sum is σ = 3412350789120. Its totient is φ = 427237324800.

The previous prime is 1426775221667. The next prime is 1426775221777. The reversal of 1426775221674 is 4761225776241.

1426775221674 is a `hidden beast` number, since 1 + 42 + 6 + 7 + 7 + 522 + 1 + 6 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1426775221674.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 29880679 + ... + 29928389.

It is an arithmetic number, because the mean of its divisors is an integer number (35545320720).

Almost surely, 2^{1426775221674} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1426775221674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706175394560).

1426775221674 is an abundant number, since it is smaller than the sum of its proper divisors (1985575567446).

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

1426775221674 is a wasteful number, since it uses less digits than its factorization.

1426775221674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49516 (or 49513 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The spelling of 1426775221674 in words is "one trillion, four hundred twenty-six billion, seven hundred seventy-five million, two hundred twenty-one thousand, six hundred seventy-four".