1317444464 has 20 divisors (see below), whose sum is σ = 2917198704. Its totient is φ = 564619008.

The previous prime is 1317444437. The next prime is 1317444487. The reversal of 1317444464 is 4644447131.

It is a happy number.

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, 5881337 + ... + 5881560.

Almost surely, 2^1317444464 is an apocalyptic number.

1317444464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1317444464 is an abundant number, since it is smaller than the sum of its proper divisors (1599754240).

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

1317444464 is a wasteful number, since it uses less digits than its factorization.

1317444464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11762912 (or 11762906 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 1317444464 is about 36296.6178038671. The cubic root of 1317444464 is about 1096.2529430225.

The spelling of 1317444464 in words is "one billion, three hundred seventeen million, four hundred forty-four thousand, four hundred sixty-four".