449037678 has 16 divisors (see below), whose sum is σ = 945342720. Its totient is φ = 141801336.

The previous prime is 449037637. The next prime is 449037683. The reversal of 449037678 is 876730944.

It is a happy number.

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, 1969350 + ... + 1969577.

It is an arithmetic number, because the mean of its divisors is an integer number (59083920).

Almost surely, 2^449037678 is an apocalyptic number.

449037678 is an abundant number, since it is smaller than the sum of its proper divisors (496305042).

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

449037678 is a wasteful number, since it uses less digits than its factorization.

449037678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938951.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 449037678 is about 21190.5091491450. The cubic root of 449037678 is about 765.7627933427.

The spelling of 449037678 in words is "four hundred forty-nine million, thirty-seven thousand, six hundred seventy-eight".