491141910 has 64 divisors (see below), whose sum is σ = 1349701632. Its totient is φ = 112046976.

The previous prime is 491141873. The next prime is 491141921. The reversal of 491141910 is 19141194.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125544 + ... + 129396.

It is an arithmetic number, because the mean of its divisors is an integer number (21089088).

Almost surely, 2^491141910 is an apocalyptic number.

491141910 is an abundant number, since it is smaller than the sum of its proper divisors (858559722).

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

491141910 is a wasteful number, since it uses less digits than its factorization.

491141910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 491141910 is about 22161.7217291437. The cubic root of 491141910 is about 788.9854572507.

The spelling of 491141910 in words is "four hundred ninety-one million, one hundred forty-one thousand, nine hundred ten".