449579090 has 16 divisors (see below), whose sum is σ = 809979480. Its totient is φ = 179667840.

The previous prime is 449579087. The next prime is 449579101. The reversal of 449579090 is 90975944.

It can be written as a sum of positive squares in 4 ways, for example, as 295049329 + 154529761 = 17177^2 + 12431^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8621 + ... + 31200.

Almost surely, 2^449579090 is an apocalyptic number.

449579090 is a deficient number, since it is larger than the sum of its proper divisors (360400390).

449579090 is a wasteful number, since it uses less digits than its factorization.

449579090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40957.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 449579090 is about 21203.2801707660. The cubic root of 449579090 is about 766.0704339336.

The spelling of 449579090 in words is "four hundred forty-nine million, five hundred seventy-nine thousand, ninety".