426193568 has 12 divisors (see below), whose sum is σ = 839068650. Its totient is φ = 213096768.

The previous prime is 426193567. The next prime is 426193571. The reversal of 426193568 is 865391624.

It can be written as a sum of positive squares in only one way, i.e., 371255824 + 54937744 = 19268^2 + 7412^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (426193567) by changing a digit.

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 as a sum of consecutive naturals, namely, 6659243 + ... + 6659306.

Almost surely, 2^426193568 is an apocalyptic number.

It is an amenable number.

426193568 is a deficient number, since it is larger than the sum of its proper divisors (412875082).

426193568 is a wasteful number, since it uses less digits than its factorization.

426193568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318559 (or 13318551 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 426193568 is about 20644.4561081177. The cubic root of 426193568 is about 752.5504683906.

The spelling of 426193568 in words is "four hundred twenty-six million, one hundred ninety-three thousand, five hundred sixty-eight".