1340332230 has 64 divisors (see below), whose sum is σ = 3301917696. Its totient is φ = 348000000.

The previous prime is 1340332193. The next prime is 1340332247. The reversal of 1340332230 is 322330431.

It is a junction number, because it is equal to n+sod(n) for n = 1340332197 and 1340332206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 923005 + ... + 924455.

It is an arithmetic number, because the mean of its divisors is an integer number (51592464).

Almost surely, 2^1340332230 is an apocalyptic number.

1340332230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340332230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1650958848).

1340332230 is an abundant number, since it is smaller than the sum of its proper divisors (1961585466).

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

1340332230 is a wasteful number, since it uses less digits than its factorization.

1340332230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1340332230 is about 36610.5480701942. The cubic root of 1340332230 is about 1102.5648770703.

Adding to 1340332230 its reverse (322330431), we get a palindrome (1662662661).

The spelling of 1340332230 in words is "one billion, three hundred forty million, three hundred thirty-two thousand, two hundred thirty".