449355680 has 48 divisors (see below), whose sum is σ = 1063596744. Its totient is φ = 179404800.

The previous prime is 449355671. The next prime is 449355689. The reversal of 449355680 is 86553944.

It is an interprime number because it is at equal distance from previous prime (449355671) and next prime (449355689).

It can be written as a sum of positive squares in 4 ways, for example, as 449270416 + 85264 = 21196^2 + 292^2 .

It is not an unprimeable number, because it can be changed into a prime (449355689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93824 + ... + 98496.

Almost surely, 2^449355680 is an apocalyptic number.

449355680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449355680 is an abundant number, since it is smaller than the sum of its proper divisors (614241064).

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

449355680 is a wasteful number, since it uses less digits than its factorization.

449355680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289 (or 5281 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 449355680 is about 21198.0112274713. The cubic root of 449355680 is about 765.9435180717.

The spelling of 449355680 in words is "four hundred forty-nine million, three hundred fifty-five thousand, six hundred eighty".