317922480 has 120 divisors (see below), whose sum is σ = 1077750960. Its totient is φ = 83980800.

The previous prime is 317922467. The next prime is 317922481. The reversal of 317922480 is 84229713.

317922480 is a `hidden beast` number, since 3 + 179 + 2 + 2 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (317922481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76455 + ... + 80505.

It is an arithmetic number, because the mean of its divisors is an integer number (8981258).

Almost surely, 2^317922480 is an apocalyptic number.

317922480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317922480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538875480).

317922480 is an abundant number, since it is smaller than the sum of its proper divisors (759828480).

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

317922480 is a wasteful number, since it uses less digits than its factorization.

317922480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179 (or 4170 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 317922480 is about 17830.3808147779. The cubic root of 317922480 is about 682.5069515856.

The spelling of 317922480 in words is "three hundred seventeen million, nine hundred twenty-two thousand, four hundred eighty".