491176152 has 96 divisors (see below), whose sum is σ = 1379364480. Its totient is φ = 157731840.

The previous prime is 491176151. The next prime is 491176159. The reversal of 491176152 is 251671194.

491176152 is a `hidden beast` number, since 491 + 17 + 6 + 152 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491176151) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 751858 + ... + 752510.

It is an arithmetic number, because the mean of its divisors is an integer number (14368380).

Almost surely, 2^491176152 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 491176152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689682240).

491176152 is an abundant number, since it is smaller than the sum of its proper divisors (888188328).

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

491176152 is a wasteful number, since it uses less digits than its factorization.

491176152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1026 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 491176152 is about 22162.4942639586. The cubic root of 491176152 is about 789.0037926249.

The spelling of 491176152 in words is "four hundred ninety-one million, one hundred seventy-six thousand, one hundred fifty-two".