317154720448 has 56 divisors (see below), whose sum is σ = 640173726000. Its totient is φ = 155861680128.

The previous prime is 317154720427. The next prime is 317154720457. The reversal of 317154720448 is 844027451713.

It is a junction number, because it is equal to n+sod(n) for n = 317154720398 and 317154720407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842948 + ... + 2007676.

Almost surely, 2^317154720448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317154720448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320086863000).

317154720448 is an abundant number, since it is smaller than the sum of its proper divisors (323019005552).

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

317154720448 is a wasteful number, since it uses less digits than its factorization.

317154720448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165257 (or 165247 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 317154720448 in words is "three hundred seventeen billion, one hundred fifty-four million, seven hundred twenty thousand, four hundred forty-eight".