449071776 has 72 divisors (see below), whose sum is σ = 1324368864. Its totient is φ = 149688000.

The previous prime is 449071771. The next prime is 449071789. The reversal of 449071776 is 677170944.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (449071771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21100 + ... + 36651.

It is an arithmetic number, because the mean of its divisors is an integer number (18394012).

Almost surely, 2^449071776 is an apocalyptic number.

It is an amenable number.

449071776 is an abundant number, since it is smaller than the sum of its proper divisors (875297088).

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

449071776 is an equidigital number, since it uses as much as digits as its factorization.

449071776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57776 (or 57756 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 449071776 is about 21191.3136921711. The cubic root of 449071776 is about 765.7821757688.

The spelling of 449071776 in words is "four hundred forty-nine million, seventy-one thousand, seven hundred seventy-six".