449226408909 has 32 divisors (see below), whose sum is σ = 640265472000. Its totient is φ = 279174657024.

The previous prime is 449226408889. The next prime is 449226408913. The reversal of 449226408909 is 909804622944.

It is not a de Polignac number, because 449226408909 - 2¹² = 449226404813 is a prime.

It is a super-2 number, since 2×449226408909² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449226408409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15990327 + ... + 16018395.

It is an arithmetic number, because the mean of its divisors is an integer number (20008296000).

Almost surely, 2^449226408909 is an apocalyptic number.

It is an amenable number.

449226408909 is a deficient number, since it is larger than the sum of its proper divisors (191039063091).

449226408909 is a wasteful number, since it uses less digits than its factorization.

449226408909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31077.

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 449226408909 in words is "four hundred forty-nine billion, two hundred twenty-six million, four hundred eight thousand, nine hundred nine".