449195136 has 64 divisors (see below), whose sum is σ = 1284971520. Its totient is φ = 138212352.

The previous prime is 449195119. The next prime is 449195161. The reversal of 449195136 is 631591944.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40000 + ... + 49983.

It is an arithmetic number, because the mean of its divisors is an integer number (20077680).

Almost surely, 2^449195136 is an apocalyptic number.

It is an amenable number.

449195136 is an abundant number, since it is smaller than the sum of its proper divisors (835776384).

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

449195136 is a wasteful number, since it uses less digits than its factorization.

449195136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90013 (or 90001 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 449195136 is about 21194.2241188490. The cubic root of 449195136 is about 765.8522894608.

The spelling of 449195136 in words is "four hundred forty-nine million, one hundred ninety-five thousand, one hundred thirty-six".