426575280 has 80 divisors (see below), whose sum is σ = 1330923744. Its totient is φ = 113018880.

The previous prime is 426575267. The next prime is 426575299. The reversal of 426575280 is 82575624.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 32020 + ... + 43340.

Almost surely, 2^426575280 is an apocalyptic number.

426575280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426575280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665461872).

426575280 is an abundant number, since it is smaller than the sum of its proper divisors (904348464).

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

426575280 is a wasteful number, since it uses less digits than its factorization.

426575280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494 (or 11488 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 426575280 is about 20653.6989423202. The cubic root of 426575280 is about 752.7750704257.

The spelling of 426575280 in words is "four hundred twenty-six million, five hundred seventy-five thousand, two hundred eighty".