449501642 has 8 divisors (see below), whose sum is σ = 675041796. Its totient is φ = 224487712.

The previous prime is 449501629. The next prime is 449501651. The reversal of 449501642 is 246105944.

It can be written as a sum of positive squares in 2 ways, for example, as 409293361 + 40208281 = 20231^2 + 6341^2 .

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, 129413 + ... + 132840.

Almost surely, 2^449501642 is an apocalyptic number.

449501642 is a deficient number, since it is larger than the sum of its proper divisors (225540154).

449501642 is a wasteful number, since it uses less digits than its factorization.

449501642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263112.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 449501642 is about 21201.4537709092. The cubic root of 449501642 is about 766.0264416517.

The spelling of 449501642 in words is "four hundred forty-nine million, five hundred one thousand, six hundred forty-two".