491226960 has 120 divisors (see below), whose sum is σ = 1771466976. Its totient is φ = 112277760.

The previous prime is 491226947. The next prime is 491226997. The reversal of 491226960 is 69622194.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9126 + ... + 32645.

Almost surely, 2^491226960 is an apocalyptic number.

491226960 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 491226960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885733488).

491226960 is an abundant number, since it is smaller than the sum of its proper divisors (1280240016).

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

491226960 is a wasteful number, since it uses less digits than its factorization.

491226960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41801 (or 41788 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 491226960 is about 22163.6404951894. The cubic root of 491226960 is about 789.0309969333.

The spelling of 491226960 in words is "four hundred ninety-one million, two hundred twenty-six thousand, nine hundred sixty".