426005220 has 48 divisors (see below), whose sum is σ = 1199435328. Its totient is φ = 112970880.

The previous prime is 426005201. The next prime is 426005221. The reversal of 426005220 is 22500624.

It is not an unprimeable number, because it can be changed into a prime (426005221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8754 + ... + 30473.

It is an arithmetic number, because the mean of its divisors is an integer number (24988236).

Almost surely, 2^426005220 is an apocalyptic number.

It is an amenable number.

426005220 is an abundant number, since it is smaller than the sum of its proper divisors (773430108).

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

426005220 is a wasteful number, since it uses less digits than its factorization.

426005220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39420 (or 39418 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 426005220 is about 20639.8938950761. The cubic root of 426005220 is about 752.4395936838.

Adding to 426005220 its reverse (22500624), we get a palindrome (448505844).

The spelling of 426005220 in words is "four hundred twenty-six million, five thousand, two hundred twenty".