449278608 has 20 divisors (see below), whose sum is σ = 1160636528. Its totient is φ = 149759520.

The previous prime is 449278607. The next prime is 449278633. The reversal of 449278608 is 806872944.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 9359971 = 449278608 / (4 + 4 + 9 + 2 + 7 + 8 + 6 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (449278607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4679938 + ... + 4680033.

Almost surely, 2^449278608 is an apocalyptic number.

449278608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

449278608 is an abundant number, since it is smaller than the sum of its proper divisors (711357920).

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

449278608 is a wasteful number, since it uses less digits than its factorization.

449278608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359982 (or 9359976 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 449278608 is about 21196.1932431274. The cubic root of 449278608 is about 765.8997248682.

It can be divided in two parts, 44927 and 8608, that added together give a palindrome (53535).

The spelling of 449278608 in words is "four hundred forty-nine million, two hundred seventy-eight thousand, six hundred eight".