491607360 has 224 divisors, whose sum is σ = 1836846720. Its totient is φ = 123346944.

The previous prime is 491607329. The next prime is 491607371. The reversal of 491607360 is 63706194.

491607360 is a `hidden beast` number, since 49 + 1 + 607 + 3 + 6 + 0 = 666.

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

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 31 ways as a sum of consecutive naturals, for example, 145207 + ... + 148553.

Almost surely, 2^491607360 is an apocalyptic number.

491607360 is a gapful number since it is divisible by the number (40) 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 491607360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918423360).

491607360 is an abundant number, since it is smaller than the sum of its proper divisors (1345239360).

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

491607360 is a wasteful number, since it uses less digits than its factorization.

491607360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3374 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 491607360 is about 22172.2204571396. The cubic root of 491607360 is about 789.2346162866.

The spelling of 491607360 in words is "four hundred ninety-one million, six hundred seven thousand, three hundred sixty".