448489402 has 8 divisors (see below), whose sum is σ = 676451412. Its totient is φ = 223005600.

The previous prime is 448489367. The next prime is 448489403. The reversal of 448489402 is 204984844.

It can be written as a sum of positive squares in 2 ways, for example, as 275593201 + 172896201 = 16601^2 + 13149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×448489402² = 402285487412635208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448489403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619099 + ... + 619822.

Almost surely, 2^448489402 is an apocalyptic number.

448489402 is a deficient number, since it is larger than the sum of its proper divisors (227962010).

448489402 is a wasteful number, since it uses less digits than its factorization.

448489402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239104.

The product of its (nonzero) digits is 294912, while the sum is 43.

The square root of 448489402 is about 21177.5683684412. The cubic root of 448489402 is about 765.4510003857.

The spelling of 448489402 in words is "four hundred forty-eight million, four hundred eighty-nine thousand, four hundred two".