491760692448 has 24 divisors (see below), whose sum is σ = 1290871817928. Its totient is φ = 163920230784.

The previous prime is 491760692429. The next prime is 491760692459. The reversal of 491760692448 is 844296067194.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 491760692391 and 491760692400.

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, 2561253511 + ... + 2561253702.

It is an arithmetic number, because the mean of its divisors is an integer number (53786325747).

Almost surely, 2^491760692448 is an apocalyptic number.

491760692448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

491760692448 is an abundant number, since it is smaller than the sum of its proper divisors (799111125480).

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

491760692448 is a wasteful number, since it uses less digits than its factorization.

491760692448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122507226 (or 5122507218 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 491760692448 in words is "four hundred ninety-one billion, seven hundred sixty million, six hundred ninety-two thousand, four hundred forty-eight".