426646377534252 has 24 divisors (see below), whose sum is σ = 995508549392896. Its totient is φ = 142215411300048.

The previous prime is 426646377534229. The next prime is 426646377534269. The reversal of 426646377534252 is 252435773646624.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 62409033 + ... + 68907039.

Almost surely, 2^{426646377534252} is an apocalyptic number.

It is an amenable number.

426646377534252 is an abundant number, since it is smaller than the sum of its proper divisors (568862171858644).

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

426646377534252 is a wasteful number, since it uses less digits than its factorization.

426646377534252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11969517 (or 11969515 counting only the distinct ones).

The product of its digits is 1219276800, while the sum is 66.

The spelling of 426646377534252 in words is "four hundred twenty-six trillion, six hundred forty-six billion, three hundred seventy-seven million, five hundred thirty-four thousand, two hundred fifty-two".