1344463544 has 16 divisors (see below), whose sum is σ = 2521692000. Its totient is φ = 672012352.

The previous prime is 1344463531. The next prime is 1344463619. The reversal of 1344463544 is 4453644431.

It is a super-2 number, since 2×1344463544² = 3615164442290079872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1344463498 and 1344463507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257 + ... + 51855.

It is an arithmetic number, because the mean of its divisors is an integer number (157605750).

Almost surely, 2^1344463544 is an apocalyptic number.

It is an amenable number.

1344463544 is a deficient number, since it is larger than the sum of its proper divisors (1177228456).

1344463544 is a wasteful number, since it uses less digits than its factorization.

1344463544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54862 (or 54858 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

The square root of 1344463544 is about 36666.9271142265. The cubic root of 1344463544 is about 1103.6965292576.

The spelling of 1344463544 in words is "one billion, three hundred forty-four million, four hundred sixty-three thousand, five hundred forty-four".