449657418 has 96 divisors (see below), whose sum is σ = 1092648960. Its totient is φ = 122865120.

The previous prime is 449657399. The next prime is 449657473. The reversal of 449657418 is 814756944.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 938503 + ... + 938981.

It is an arithmetic number, because the mean of its divisors is an integer number (11381760).

Almost surely, 2^449657418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449657418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546324480).

449657418 is an abundant number, since it is smaller than the sum of its proper divisors (642991542).

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

449657418 is a wasteful number, since it uses less digits than its factorization.

449657418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 625 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 449657418 is about 21205.1271630236. The cubic root of 449657418 is about 766.1149209377.

The spelling of 449657418 in words is "four hundred forty-nine million, six hundred fifty-seven thousand, four hundred eighteen".