449918546 has 32 divisors (see below), whose sum is σ = 860986368. Its totient is φ = 171213840.

The previous prime is 449918519. The next prime is 449918563. The reversal of 449918546 is 645819944.

It is a junction number, because it is equal to n+sod(n) for n = 449918494 and 449918503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27350 + ... + 40593.

It is an arithmetic number, because the mean of its divisors is an integer number (26905824).

Almost surely, 2^449918546 is an apocalyptic number.

449918546 is a deficient number, since it is larger than the sum of its proper divisors (411067822).

449918546 is a wasteful number, since it uses less digits than its factorization.

449918546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68006.

The product of its digits is 1244160, while the sum is 50.

The square root of 449918546 is about 21211.2834595175. The cubic root of 449918546 is about 766.2631933306.

The spelling of 449918546 in words is "four hundred forty-nine million, nine hundred eighteen thousand, five hundred forty-six".