449035668972 has 36 divisors (see below), whose sum is σ = 1238249876136. Its totient is φ = 136071414720.

The previous prime is 449035668929. The next prime is 449035669001. The reversal of 449035668972 is 279866530944.

449035668972 is a `hidden beast` number, since 4 + 490 + 3 + 5 + 66 + 89 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566963833 + ... + 566964624.

Almost surely, 2^449035668972 is an apocalyptic number.

It is an amenable number.

449035668972 is an abundant number, since it is smaller than the sum of its proper divisors (789214207164).

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

449035668972 is a wasteful number, since it uses less digits than its factorization.

449035668972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133928478 (or 1133928473 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 449035668972 in words is "four hundred forty-nine billion, thirty-five million, six hundred sixty-eight thousand, nine hundred seventy-two".