1430340320 has 48 divisors (see below), whose sum is σ = 3495713760. Its totient is φ = 552405504.

The previous prime is 1430340293. The next prime is 1430340361. The reversal of 1430340320 is 230430341.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1430340292 and 1430340301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149492 + ... + 158771.

It is an arithmetic number, because the mean of its divisors is an integer number (72827370).

Almost surely, 2^1430340320 is an apocalyptic number.

1430340320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430340320 is an abundant number, since it is smaller than the sum of its proper divisors (2065373440).

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

1430340320 is a wasteful number, since it uses less digits than its factorization.

1430340320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308307 (or 308299 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1430340320 is about 37819.8402958024. The cubic root of 1430340320 is about 1126.7125377649.

Adding to 1430340320 its reverse (230430341), we get a palindrome (1660770661).

The spelling of 1430340320 in words is "one billion, four hundred thirty million, three hundred forty thousand, three hundred twenty".