491753360 has 40 divisors (see below), whose sum is σ = 1306660416. Its totient is φ = 168600960.

The previous prime is 491753333. The next prime is 491753369. The reversal of 491753360 is 63357194.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (491753369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438506 + ... + 439625.

Almost surely, 2^491753360 is an apocalyptic number.

491753360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

491753360 is an abundant number, since it is smaller than the sum of its proper divisors (814907056).

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

491753360 is a wasteful number, since it uses less digits than its factorization.

491753360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878151 (or 878145 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 491753360 is about 22175.5126209069. The cubic root of 491753360 is about 789.3127388279.

The spelling of 491753360 in words is "four hundred ninety-one million, seven hundred fifty-three thousand, three hundred sixty".