491086272 has 28 divisors (see below), whose sum is σ = 1299332936. Its totient is φ = 163695360.

The previous prime is 491086241. The next prime is 491086289. The reversal of 491086272 is 272680194.

It is a self number, because there is not a number n which added to its sum of digits gives 491086272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278679 + ... + 1279062.

Almost surely, 2^491086272 is an apocalyptic number.

It is an amenable number.

491086272 is an abundant number, since it is smaller than the sum of its proper divisors (808246664).

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

491086272 is a wasteful number, since it uses less digits than its factorization.

491086272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557756 (or 2557746 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 491086272 is about 22160.4664210842. The cubic root of 491086272 is about 788.9556632612.

The spelling of 491086272 in words is "four hundred ninety-one million, eighty-six thousand, two hundred seventy-two".