449683788844 has 12 divisors (see below), whose sum is σ = 786993979968. Its totient is φ = 224828366000.

The previous prime is 449683788779. The next prime is 449683788907. The reversal of 449683788844 is 448887386944.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3307132 + ... + 3440419.

It is an arithmetic number, because the mean of its divisors is an integer number (65582831664).

Almost surely, 2^449683788844 is an apocalyptic number.

It is an amenable number.

449683788844 is a deficient number, since it is larger than the sum of its proper divisors (337310191124).

449683788844 is a wasteful number, since it uses less digits than its factorization.

449683788844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764216 (or 6764214 counting only the distinct ones).

The product of its digits is 1189085184, while the sum is 73.

The spelling of 449683788844 in words is "four hundred forty-nine billion, six hundred eighty-three million, seven hundred eighty-eight thousand, eight hundred forty-four".