449908368 has 80 divisors (see below), whose sum is σ = 1430491776. Its totient is φ = 118656000.

The previous prime is 449908351. The next prime is 449908369. The reversal of 449908368 is 863809944.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 449908368.

It is not an unprimeable number, because it can be changed into a prime (449908369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47133 + ... + 55868.

Almost surely, 2^449908368 is an apocalyptic number.

449908368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

449908368 is an abundant number, since it is smaller than the sum of its proper divisors (980583408).

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

449908368 is a wasteful number, since it uses less digits than its factorization.

449908368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103032 (or 103026 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 449908368 is about 21211.0435386852. The cubic root of 449908368 is about 766.2574151842.

The spelling of 449908368 in words is "four hundred forty-nine million, nine hundred eight thousand, three hundred sixty-eight".