449226408906 has 48 divisors (see below), whose sum is σ = 1062860685120.
Its totient is φ = 135994239360.
The previous prime is 449226408889. The next prime is 449226408913. The reversal of 449226408906 is 609804622944.
449226408906 is a `hidden beast` number, since 4 + 4 + 9 + 226 + 408 + 9 + 0 + 6 = 666.
It is a super-2 number, since 2×4492264089062 (a number of 24 digits) contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 924510 + ... + 1324073.
It is an arithmetic number, because the mean of its divisors is an integer number (22142930940).
Almost surely, 2449226408906 is an apocalyptic number.
449226408906 is an abundant number, since it is smaller than the sum of its proper divisors (613634276214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
449226408906 is a wasteful number, since it uses less digits than its factorization.
449226408906 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2249611 (or 2249608 counting only the distinct ones).
The product of its (nonzero) digits is 5971968, while the sum is 54.
The spelling of 449226408906 in words is "four hundred forty-nine billion, two hundred twenty-six million, four hundred eight thousand, nine hundred six".