449569008 has 80 divisors (see below), whose sum is σ = 1474786560. Its totient is φ = 128447424.

The previous prime is 449569007. The next prime is 449569009. The reversal of 449569008 is 800965944.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (449569007) and next prime (449569009).

It is a super-2 number, since 2×449569008² = 404224585908208128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449569007) 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, 71310 + ... + 77357.

It is an arithmetic number, because the mean of its divisors is an integer number (18434832).

Almost surely, 2^449569008 is an apocalyptic number.

449569008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

449569008 is an abundant number, since it is smaller than the sum of its proper divisors (1025217552).

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

449569008 is a wasteful number, since it uses less digits than its factorization.

449569008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148691 (or 148679 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 449569008 is about 21203.0424231996. The cubic root of 449569008 is about 766.0647074070.

The spelling of 449569008 in words is "four hundred forty-nine million, five hundred sixty-nine thousand, eight".