426042180 has 84 divisors (see below), whose sum is σ = 1341465132. Its totient is φ = 113607360.

The previous prime is 426042163. The next prime is 426042191. The reversal of 426042180 is 81240624.

426042180 is a `hidden beast` number, since 42 + 604 + 2 + 18 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64738116 + 361304064 = 8046^2 + 19008^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 31 + ... + 29190.

It is an arithmetic number, because the mean of its divisors is an integer number (15969823).

Almost surely, 2^426042180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426042180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670732566).

426042180 is an abundant number, since it is smaller than the sum of its proper divisors (915422952).

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

426042180 is a wasteful number, since it uses less digits than its factorization.

426042180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29248 (or 29231 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 426042180 is about 20640.7892290968. The cubic root of 426042180 is about 752.4613534823.

The spelling of 426042180 in words is "four hundred twenty-six million, forty-two thousand, one hundred eighty".