1342440424 has 32 divisors (see below), whose sum is σ = 2738662920. Its totient is φ = 613195776.

The previous prime is 1342440413. The next prime is 1342440427. The reversal of 1342440424 is 4240442431.

It can be written as a sum of positive squares in 4 ways, for example, as 1060804900 + 281635524 = 32570^2 + 16782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1342440392 and 1342440401.

It is not an unprimeable number, because it can be changed into a prime (1342440427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56449 + ... + 76624.

Almost surely, 2^1342440424 is an apocalyptic number.

It is an amenable number.

1342440424 is an abundant number, since it is smaller than the sum of its proper divisors (1396222496).

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

1342440424 is a wasteful number, since it uses less digits than its factorization.

1342440424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133189 (or 133185 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1342440424 is about 36639.3289239855. The cubic root of 1342440424 is about 1103.1426450259.

Adding to 1342440424 its reverse (4240442431), we get a palindrome (5582882855).

The spelling of 1342440424 in words is "one billion, three hundred forty-two million, four hundred forty thousand, four hundred twenty-four".