449188707426 has 16 divisors (see below), whose sum is σ = 898587711264. Its totient is φ = 149694519744.

The previous prime is 449188707389. The next prime is 449188707433. The reversal of 449188707426 is 624707881944.

It is a self number, because there is not a number n which added to its sum of digits gives 449188707426.

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, 8734576 + ... + 8785851.

It is an arithmetic number, because the mean of its divisors is an integer number (56161731954).

Almost surely, 2^449188707426 is an apocalyptic number.

449188707426 is an abundant number, since it is smaller than the sum of its proper divisors (449399003838).

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

449188707426 is a wasteful number, since it uses less digits than its factorization.

449188707426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17524705.

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 449188707426 in words is "four hundred forty-nine billion, one hundred eighty-eight million, seven hundred seven thousand, four hundred twenty-six".