491532235194 has 192 divisors, whose sum is σ = 1356802296192. Its totient is φ = 116682048000.

The previous prime is 491532235171. The next prime is 491532235199.

491532235194 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (491532235199) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4188364 + ... + 4304120.

It is an arithmetic number, because the mean of its divisors is an integer number (7066678626).

Almost surely, 2^491532235194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491532235194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678401148096).

491532235194 is an abundant number, since it is smaller than the sum of its proper divisors (865270060998).

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

491532235194 is a wasteful number, since it uses less digits than its factorization.

491532235194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115901 (or 115894 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The spelling of 491532235194 in words is "four hundred ninety-one billion, five hundred thirty-two million, two hundred thirty-five thousand, one hundred ninety-four".