491441540302 has 4 divisors (see below), whose sum is σ = 737162310456. Its totient is φ = 245720770150.

The previous prime is 491441540281. The next prime is 491441540309. The reversal of 491441540302 is 203045144194.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491441540309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122860385074 + ... + 122860385077.

It is an arithmetic number, because the mean of its divisors is an integer number (184290577614).

Almost surely, 2^491441540302 is an apocalyptic number.

491441540302 is a deficient number, since it is larger than the sum of its proper divisors (245720770154).

491441540302 is a wasteful number, since it uses less digits than its factorization.

491441540302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245720770153.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 491441540302 its reverse (203045144194), we get a palindrome (694486684496).

The spelling of 491441540302 in words is "four hundred ninety-one billion, four hundred forty-one million, five hundred forty thousand, three hundred two".