491359416 has 32 divisors (see below), whose sum is σ = 1258362000. Its totient is φ = 159791360.

The previous prime is 491359411. The next prime is 491359439. The reversal of 491359416 is 614953194.

It is a super-2 number, since 2×491359416² = 482868151383722112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491359411) 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, 248691 + ... + 250658.

Almost surely, 2^491359416 is an apocalyptic number.

It is an amenable number.

491359416 is an abundant number, since it is smaller than the sum of its proper divisors (767002584).

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

491359416 is a wasteful number, since it uses less digits than its factorization.

491359416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499399 (or 499395 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 491359416 is about 22166.6284310447. The cubic root of 491359416 is about 789.1019095026.

The spelling of 491359416 in words is "four hundred ninety-one million, three hundred fifty-nine thousand, four hundred sixteen".