426805000 has 40 divisors (see below), whose sum is σ = 1000015830. Its totient is φ = 170720000.

The previous prime is 426804991. The next prime is 426805021. The reversal of 426805000 is 508624.

It can be written as a sum of positive squares in 5 ways, for example, as 21104836 + 405700164 = 4594^2 + 20142^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37681 + ... + 47680.

Almost surely, 2^426805000 is an apocalyptic number.

426805000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426805000 is an abundant number, since it is smaller than the sum of its proper divisors (573210830).

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

426805000 is an equidigital number, since it uses as much as digits as its factorization.

426805000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85387 (or 85368 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 426805000 is about 20659.2594252553. The cubic root of 426805000 is about 752.9101747202.

The spelling of 426805000 in words is "four hundred twenty-six million, eight hundred five thousand".