1344505432 has 8 divisors (see below), whose sum is σ = 2520947700. Its totient is φ = 672252712.

The previous prime is 1344505427. The next prime is 1344505441. The reversal of 1344505432 is 2345054431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1344505394 and 1344505403.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 84031582 + ... + 84031597.

Almost surely, 2^1344505432 is an apocalyptic number.

It is an amenable number.

1344505432 is a deficient number, since it is larger than the sum of its proper divisors (1176442268).

1344505432 is a wasteful number, since it uses less digits than its factorization.

1344505432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168063185 (or 168063181 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1344505432 is about 36667.4983057203. The cubic root of 1344505432 is about 1103.7079913659.

Adding to 1344505432 its reverse (2345054431), we get a palindrome (3689559863).

The spelling of 1344505432 in words is "one billion, three hundred forty-four million, five hundred five thousand, four hundred thirty-two".