426538821084 has 24 divisors (see below), whose sum is σ = 1047639210240. Its totient is φ = 134696469744.

The previous prime is 426538821083. The next prime is 426538821091. The reversal of 426538821084 is 480128835624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426538821083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935391924 + ... + 935392379.

It is an arithmetic number, because the mean of its divisors is an integer number (43651633760).

Almost surely, 2^426538821084 is an apocalyptic number.

It is an amenable number.

426538821084 is an abundant number, since it is smaller than the sum of its proper divisors (621100389156).

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

426538821084 is a wasteful number, since it uses less digits than its factorization.

426538821084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870784329 (or 1870784327 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 426538821084 in words is "four hundred twenty-six billion, five hundred thirty-eight million, eight hundred twenty-one thousand, eighty-four".