426643002 has 24 divisors (see below), whose sum is σ = 938192736. Its totient is φ = 140091336.

The previous prime is 426643001. The next prime is 426643013. The reversal of 426643002 is 200346624.

It is not an unprimeable number, because it can be changed into a prime (426643001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175678 + ... + 178089.

It is an arithmetic number, because the mean of its divisors is an integer number (39091364).

Almost surely, 2^426643002 is an apocalyptic number.

426643002 is an abundant number, since it is smaller than the sum of its proper divisors (511549734).

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

426643002 is a wasteful number, since it uses less digits than its factorization.

426643002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353842 (or 353839 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 426643002 is about 20655.3383414555. The cubic root of 426643002 is about 752.8149045325.

Adding to 426643002 its reverse (200346624), we get a palindrome (626989626).

The spelling of 426643002 in words is "four hundred twenty-six million, six hundred forty-three thousand, two".