1349336448 has 64 divisors (see below), whose sum is σ = 3982426800. Its totient is φ = 449777664.

The previous prime is 1349336413. The next prime is 1349336459. The reversal of 1349336448 is 8446339431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191761 + ... + 198672.

Almost surely, 2^1349336448 is an apocalyptic number.

1349336448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1349336448 is an abundant number, since it is smaller than the sum of its proper divisors (2633090352).

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

1349336448 is an equidigital number, since it uses as much as digits as its factorization.

1349336448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390456 (or 390438 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 1349336448 is about 36733.3152329054. The cubic root of 1349336448 is about 1105.0283424001.

The spelling of 1349336448 in words is "one billion, three hundred forty-nine million, three hundred thirty-six thousand, four hundred forty-eight".