491367744 has 84 divisors (see below), whose sum is σ = 1609632544. Its totient is φ = 140389632.

The previous prime is 491367707. The next prime is 491367781. The reversal of 491367744 is 447763194.

It is an interprime number because it is at equal distance from previous prime (491367707) and next prime (491367781).

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 491367744.

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 11 ways as a sum of consecutive naturals, for example, 56902 + ... + 64965.

Almost surely, 2^491367744 is an apocalyptic number.

It is an amenable number.

491367744 is an abundant number, since it is smaller than the sum of its proper divisors (1118264800).

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

491367744 is a wasteful number, since it uses less digits than its factorization.

491367744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121892 (or 121879 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 491367744 is about 22166.8162801968. The cubic root of 491367744 is about 789.1063676130.

The spelling of 491367744 in words is "four hundred ninety-one million, three hundred sixty-seven thousand, seven hundred forty-four".