426001439808 has 224 divisors, whose sum is σ = 1515468038400. Its totient is φ = 114554953728.

The previous prime is 426001439777. The next prime is 426001439839. The reversal of 426001439808 is 808934100624.

It is a happy number.

426001439808 is a `hidden beast` number, since 4 + 2 + 600 + 1 + 4 + 39 + 8 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (426001439777) and next prime (426001439839).

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830203 + ... + 1241466.

Almost surely, 2^426001439808 is an apocalyptic number.

426001439808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

426001439808 is an abundant number, since it is smaller than the sum of its proper divisors (1089466598592).

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

426001439808 is a wasteful number, since it uses less digits than its factorization.

426001439808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071714 (or 2071698 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 426001439808 in words is "four hundred twenty-six billion, one million, four hundred thirty-nine thousand, eight hundred eight".