1426630320 has 200 divisors, whose sum is σ = 4994171424. Its totient is φ = 377422848.

The previous prime is 1426630319. The next prime is 1426630343. The reversal of 1426630320 is 230366241.

1426630320 is a `hidden beast` number, since 1 + 4 + 2 + 6 + 630 + 3 + 20 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 886957 + ... + 888563.

Almost surely, 2^1426630320 is an apocalyptic number.

1426630320 is a gapful number since it is divisible by the number (10) 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 1426630320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2497085712).

1426630320 is an abundant number, since it is smaller than the sum of its proper divisors (3567541104).

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

1426630320 is a wasteful number, since it uses less digits than its factorization.

1426630320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1426630320 is about 37770.7601194363. The cubic root of 1426630320 is about 1125.7375430324.

Adding to 1426630320 its reverse (230366241), we get a palindrome (1656996561).

The spelling of 1426630320 in words is "one billion, four hundred twenty-six million, six hundred thirty thousand, three hundred twenty".