426603340 has 96 divisors (see below), whose sum is σ = 966026880. Its totient is φ = 157925376.

The previous prime is 426603293. The next prime is 426603343. The reversal of 426603340 is 43306624.

It is a junction number, because it is equal to n+sod(n) for n = 426603299 and 426603308.

It is not an unprimeable number, because it can be changed into a prime (426603343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2210284 + ... + 2210476.

It is an arithmetic number, because the mean of its divisors is an integer number (10062780).

Almost surely, 2^426603340 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 426603340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483013440).

426603340 is an abundant number, since it is smaller than the sum of its proper divisors (539423540).

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

426603340 is a wasteful number, since it uses less digits than its factorization.

426603340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 426603340 is about 20654.3782283563. The cubic root of 426603340 is about 752.7915758402.

Adding to 426603340 its reverse (43306624), we get a palindrome (469909964).

The spelling of 426603340 in words is "four hundred twenty-six million, six hundred three thousand, three hundred forty".