449344625980 has 12 divisors (see below), whose sum is σ = 943623714600. Its totient is φ = 179737850384.

The previous prime is 449344625969. The next prime is 449344625981. The reversal of 449344625980 is 89526443944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449344625981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11233615630 + ... + 11233615669.

It is an arithmetic number, because the mean of its divisors is an integer number (78635309550).

Almost surely, 2^449344625980 is an apocalyptic number.

It is an amenable number.

449344625980 is an abundant number, since it is smaller than the sum of its proper divisors (494279088620).

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

449344625980 is a wasteful number, since it uses less digits than its factorization.

449344625980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22467231308 (or 22467231306 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 58.

The spelling of 449344625980 in words is "four hundred forty-nine billion, three hundred forty-four million, six hundred twenty-five thousand, nine hundred eighty".