426840241 has 16 divisors (see below), whose sum is σ = 453430800. Its totient is φ = 401184000.

The previous prime is 426840223. The next prime is 426840247. The reversal of 426840241 is 142048624.

It can be written as a sum of positive squares in 8 ways, for example, as 8433216 + 418407025 = 2904^2 + 20455^2 .

It is a cyclic number.

It is not a de Polignac number, because 426840241 - 2⁹ = 426839729 is a prime.

It is a super-3 number, since 3×426840241³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426840247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177475 + ... + 179863.

It is an arithmetic number, because the mean of its divisors is an integer number (28339425).

Almost surely, 2^426840241 is an apocalyptic number.

It is an amenable number.

426840241 is a deficient number, since it is larger than the sum of its proper divisors (26590559).

426840241 is a wasteful number, since it uses less digits than its factorization.

426840241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 426840241 is about 20660.1123181845. The cubic root of 426840241 is about 752.9308965778.

Adding to 426840241 its reverse (142048624), we get a palindrome (568888865).

The spelling of 426840241 in words is "four hundred twenty-six million, eight hundred forty thousand, two hundred forty-one".