449226409000 has 64 divisors (see below), whose sum is σ = 1096893757440. Its totient is φ = 171877921600.

The previous prime is 449226408941. The next prime is 449226409001. The reversal of 449226409000 is 904622944.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (449226409001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9742792 + ... + 9788791.

It is an arithmetic number, because the mean of its divisors is an integer number (17138964960).

Almost surely, 2^449226409000 is an apocalyptic number.

449226409000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449226409000 is an abundant number, since it is smaller than the sum of its proper divisors (647667348440).

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

449226409000 is a wasteful number, since it uses less digits than its factorization.

449226409000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19531627 (or 19531613 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 449226409000 in words is "four hundred forty-nine billion, two hundred twenty-six million, four hundred nine thousand".