426226644 has 48 divisors (see below), whose sum is σ = 1128556800. Its totient is φ = 139051008.

The previous prime is 426226627. The next prime is 426226651. The reversal of 426226644 is 446622624.

426226644 is a `hidden beast` number, since 4 + 2 + 6 + 2 + 2 + 6 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 426226599 and 426226608.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 36909 + ... + 47060.

It is an arithmetic number, because the mean of its divisors is an integer number (23511600).

Almost surely, 2^426226644 is an apocalyptic number.

It is an amenable number.

426226644 is an abundant number, since it is smaller than the sum of its proper divisors (702330156).

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

426226644 is a wasteful number, since it uses less digits than its factorization.

426226644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84029 (or 84021 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 426226644 is about 20645.2571793136. The cubic root of 426226644 is about 752.5699358481.

The spelling of 426226644 in words is "four hundred twenty-six million, two hundred twenty-six thousand, six hundred forty-four".