1340365224 has 64 divisors (see below), whose sum is σ = 3661548480. Its totient is φ = 405504000.

The previous prime is 1340365171. The next prime is 1340365231. The reversal of 1340365224 is 4225630431.

It is a junction number, because it is equal to n+sod(n) for n = 1340365191 and 1340365200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170664 + ... + 178344.

It is an arithmetic number, because the mean of its divisors is an integer number (57211695).

Almost surely, 2^1340365224 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 1340365224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830774240).

1340365224 is an abundant number, since it is smaller than the sum of its proper divisors (2321183256).

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

1340365224 is a wasteful number, since it uses less digits than its factorization.

1340365224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362 (or 8358 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1340365224 is about 36610.9986752615. The cubic root of 1340365224 is about 1102.5739240131.

Adding to 1340365224 its reverse (4225630431), we get a palindrome (5565995655).

The spelling of 1340365224 in words is "one billion, three hundred forty million, three hundred sixty-five thousand, two hundred twenty-four".