449268109256 has 32 divisors (see below), whose sum is σ = 855025273440. Its totient is φ = 221261956608.

The previous prime is 449268109249. The next prime is 449268109261. The reversal of 449268109256 is 652901862944.

It is a super-2 number, since 2×449268109256² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7569311 + ... + 7628433.

It is an arithmetic number, because the mean of its divisors is an integer number (26719539795).

Almost surely, 2^449268109256 is an apocalyptic number.

It is an amenable number.

449268109256 is a deficient number, since it is larger than the sum of its proper divisors (405757164184).

449268109256 is a wasteful number, since it uses less digits than its factorization.

449268109256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73373 (or 73369 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 449268109256 in words is "four hundred forty-nine billion, two hundred sixty-eight million, one hundred nine thousand, two hundred fifty-six".