449226408897 has 24 divisors (see below), whose sum is σ = 745344490176.
Its totient is φ = 255397748256.
The previous prime is 449226408889. The next prime is 449226408913. The reversal of 449226408897 is 798804622944.
449226408897 is a `hidden beast` number, since 4 + 492 + 2 + 64 + 0 + 8 + 89 + 7 = 666.
It is not a de Polignac number, because 449226408897 - 23 = 449226408889 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is not an unprimeable number, because it can be changed into a prime (449226408847) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18085503 + ... + 18110324.
It is an arithmetic number, because the mean of its divisors is an integer number (31056020424).
Almost surely, 2449226408897 is an apocalyptic number.
It is an amenable number.
449226408897 is a deficient number, since it is larger than the sum of its proper divisors (296118081279).
449226408897 is a wasteful number, since it uses less digits than its factorization.
449226408897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36196037 (or 36196034 counting only the distinct ones).
The product of its (nonzero) digits is 55738368, while the sum is 63.
The spelling of 449226408897 in words is "four hundred forty-nine billion, two hundred twenty-six million, four hundred eight thousand, eight hundred ninety-seven".