1344142432 has 12 divisors (see below), whose sum is σ = 2646280476. Its totient is φ = 672071200.

The previous prime is 1344142411. The next prime is 1344142433. The reversal of 1344142432 is 2342414431.

It is a super-3 number, since 3×1344142432³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1344142432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344142433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002194 + ... + 21002257.

It is an arithmetic number, because the mean of its divisors is an integer number (220523373).

Almost surely, 2^1344142432 is an apocalyptic number.

It is an amenable number.

1344142432 is a deficient number, since it is larger than the sum of its proper divisors (1302138044).

1344142432 is an equidigital number, since it uses as much as digits as its factorization.

1344142432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42004461 (or 42004453 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 1344142432 is about 36662.5480838416. The cubic root of 1344142432 is about 1103.6086532119.

Adding to 1344142432 its reverse (2342414431), we get a palindrome (3686556863).

The spelling of 1344142432 in words is "one billion, three hundred forty-four million, one hundred forty-two thousand, four hundred thirty-two".