426400622000 has 80 divisors (see below), whose sum is σ = 1085301890400. Its totient is φ = 161583379200.

The previous prime is 426400621939. The next prime is 426400622023. The reversal of 426400622000 is 226004624.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 5572535 + ... + 5648534.

It is an arithmetic number, because the mean of its divisors is an integer number (13566273630).

Almost surely, 2^426400622000 is an apocalyptic number.

426400622000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426400622000 is an abundant number, since it is smaller than the sum of its proper divisors (658901268400).

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

426400622000 is a wasteful number, since it uses less digits than its factorization.

426400622000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11221111 (or 11221095 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 426400622000 its reverse (226004624), we get a palindrome (426626626624).

The spelling of 426400622000 in words is "four hundred twenty-six billion, four hundred million, six hundred twenty-two thousand".