449648605 has 32 divisors (see below), whose sum is σ = 635846400. Its totient is φ = 298805760.

The previous prime is 449648603. The next prime is 449648611. The reversal of 449648605 is 506846944.

It is not a de Polignac number, because 449648605 - 2¹ = 449648603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449648603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428121 + ... + 429169.

It is an arithmetic number, because the mean of its divisors is an integer number (19870200).

Almost surely, 2^449648605 is an apocalyptic number.

It is an amenable number.

449648605 is a deficient number, since it is larger than the sum of its proper divisors (186197795).

449648605 is a wasteful number, since it uses less digits than its factorization.

449648605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 449648605 is about 21204.9193584885. The cubic root of 449648605 is about 766.1099157830.

The spelling of 449648605 in words is "four hundred forty-nine million, six hundred forty-eight thousand, six hundred five".