491121023303232 has 84 divisors (see below), whose sum is σ = 1608811129921216. Its totient is φ = 140320292371200.

The previous prime is 491121023303213. The next prime is 491121023303299. The reversal of 491121023303232 is 232303320121194.

491121023303232 is a `hidden beast` number, since 4 + 9 + 1 + 12 + 102 + 3 + 303 + 232 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-3 number, since 3×491121023303232³ (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60902900644 + ... + 60902908707.

Almost surely, 2^{491121023303232} is an apocalyptic number.

491121023303232 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

491121023303232 is an abundant number, since it is smaller than the sum of its proper divisors (1117690106617984).

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

491121023303232 is a wasteful number, since it uses less digits than its factorization.

491121023303232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121805809376 (or 121805809363 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 491121023303232 in words is "four hundred ninety-one trillion, one hundred twenty-one billion, twenty-three million, three hundred three thousand, two hundred thirty-two".