449664358 has 16 divisors (see below), whose sum is σ = 792416016. Its totient is φ = 188670240.

The previous prime is 449664253. The next prime is 449664359. The reversal of 449664358 is 853466944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449664359) 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, 785841 + ... + 786412.

It is an arithmetic number, because the mean of its divisors is an integer number (49526001).

Almost surely, 2^449664358 is an apocalyptic number.

449664358 is a deficient number, since it is larger than the sum of its proper divisors (342751658).

449664358 is a wasteful number, since it uses less digits than its factorization.

449664358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572279.

The product of its digits is 2488320, while the sum is 49.

The square root of 449664358 is about 21205.2908020616. The cubic root of 449664358 is about 766.1188623162.

The spelling of 449664358 in words is "four hundred forty-nine million, six hundred sixty-four thousand, three hundred fifty-eight".