1344445888 has 14 divisors (see below), whose sum is σ = 2667884936. Its totient is φ = 672222912.

The previous prime is 1344445873. The next prime is 1344445897. The reversal of 1344445888 is 8885444431.

It is a happy number.

It is a plaindrome in base 10.

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, 10503420 + ... + 10503547.

Almost surely, 2^1344445888 is an apocalyptic number.

It is an amenable number.

1344445888 is a deficient number, since it is larger than the sum of its proper divisors (1323439048).

1344445888 is an equidigital number, since it uses as much as digits as its factorization.

1344445888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21006979 (or 21006969 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 49.

The square root of 1344445888 is about 36666.6863515099. The cubic root of 1344445888 is about 1103.6916978508.

The spelling of 1344445888 in words is "one billion, three hundred forty-four million, four hundred forty-five thousand, eight hundred eighty-eight".