1426130320 has 20 divisors (see below), whose sum is σ = 3315753180. Its totient is φ = 570452096.

The previous prime is 1426130317. The next prime is 1426130333. The reversal of 1426130320 is 230316241.

It can be written as a sum of positive squares in 2 ways, for example, as 553755024 + 872375296 = 23532^2 + 29536^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1426130291 and 1426130300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8913235 + ... + 8913394.

It is an arithmetic number, because the mean of its divisors is an integer number (165787659).

Almost surely, 2^1426130320 is an apocalyptic number.

1426130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426130320 is an abundant number, since it is smaller than the sum of its proper divisors (1889622860).

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

1426130320 is a wasteful number, since it uses less digits than its factorization.

1426130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17826642 (or 17826636 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1426130320 is about 37764.1406628034. The cubic root of 1426130320 is about 1125.6060129193.

Adding to 1426130320 its reverse (230316241), we get a palindrome (1656446561).

The spelling of 1426130320 in words is "one billion, four hundred twenty-six million, one hundred thirty thousand, three hundred twenty".