1340626224 has 160 divisors (see below), whose sum is σ = 4045455360. Its totient is φ = 374685696.

The previous prime is 1340626211. The next prime is 1340626253. The reversal of 1340626224 is 4226260431.

It is a junction number, because it is equal to n+sod(n) for n = 1340626191 and 1340626200.

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, 3797632 + ... + 3797984.

It is an arithmetic number, because the mean of its divisors is an integer number (25284096).

Almost surely, 2^1340626224 is an apocalyptic number.

1340626224 is a gapful number since it is divisible by the number (14) 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 1340626224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2022727680).

1340626224 is an abundant number, since it is smaller than the sum of its proper divisors (2704829136).

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

1340626224 is a wasteful number, since it uses less digits than its factorization.

1340626224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1340626224 is about 36614.5630043566. The cubic root of 1340626224 is about 1102.6454848863.

Adding to 1340626224 its reverse (4226260431), we get a palindrome (5566886655).

The spelling of 1340626224 in words is "one billion, three hundred forty million, six hundred twenty-six thousand, two hundred twenty-four".