449480779896 has 32 divisors (see below), whose sum is σ = 1144903876560. Its totient is φ = 147000003072.

The previous prime is 449480779883. The next prime is 449480779897. The reversal of 449480779896 is 698977084944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449480779897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176681425 + ... + 176683968.

Almost surely, 2^449480779896 is an apocalyptic number.

It is an amenable number.

449480779896 is an abundant number, since it is smaller than the sum of its proper divisors (695423096664).

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

449480779896 is a wasteful number, since it uses less digits than its factorization.

449480779896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353365455 (or 353365451 counting only the distinct ones).

The product of its (nonzero) digits is 877879296, while the sum is 75.

The spelling of 449480779896 in words is "four hundred forty-nine billion, four hundred eighty million, seven hundred seventy-nine thousand, eight hundred ninety-six".