449839342684 has 24 divisors (see below), whose sum is σ = 787986539648. Its totient is φ = 224700410880.

The previous prime is 449839342639. The next prime is 449839342751. The reversal of 449839342684 is 486243938944.

It is a congruent number.

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, 43783372 + ... + 43793644.

Almost surely, 2^449839342684 is an apocalyptic number.

It is an amenable number.

449839342684 is a deficient number, since it is larger than the sum of its proper divisors (338147196964).

449839342684 is a wasteful number, since it uses less digits than its factorization.

449839342684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19885 (or 19883 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 64.

The spelling of 449839342684 in words is "four hundred forty-nine billion, eight hundred thirty-nine million, three hundred forty-two thousand, six hundred eighty-four".