1342240344 has 24 divisors (see below), whose sum is σ = 3635234460. Its totient is φ = 447413424.

The previous prime is 1342240337. The next prime is 1342240349. The reversal of 1342240344 is 4430422431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1342240344² = 3603218282122476672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342240349) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 9321042 + ... + 9321185.

Almost surely, 2^1342240344 is an apocalyptic number.

It is an amenable number.

1342240344 is an abundant number, since it is smaller than the sum of its proper divisors (2292994116).

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

1342240344 is a wasteful number, since it uses less digits than its factorization.

1342240344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18642239 (or 18642232 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1342240344 is about 36636.5984228886. The cubic root of 1342240344 is about 1103.0878374424.

Adding to 1342240344 its reverse (4430422431), we get a palindrome (5772662775).

The spelling of 1342240344 in words is "one billion, three hundred forty-two million, two hundred forty thousand, three hundred forty-four".