449521442 has 8 divisors (see below), whose sum is σ = 688628736. Its totient is φ = 219978532.

The previous prime is 449521439. The next prime is 449521451. The reversal of 449521442 is 244125944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390978 + ... + 2391165.

It is an arithmetic number, because the mean of its divisors is an integer number (86078592).

Almost surely, 2^449521442 is an apocalyptic number.

449521442 is a deficient number, since it is larger than the sum of its proper divisors (239107294).

449521442 is a wasteful number, since it uses less digits than its factorization.

449521442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782192.

The product of its digits is 46080, while the sum is 35.

The square root of 449521442 is about 21201.9207148786. The cubic root of 449521442 is about 766.0376889972.

The spelling of 449521442 in words is "four hundred forty-nine million, five hundred twenty-one thousand, four hundred forty-two".