449474015 has 4 divisors (see below), whose sum is σ = 539368824. Its totient is φ = 359579208.

The previous prime is 449473993. The next prime is 449474017. The reversal of 449474015 is 510474944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449474015 - 2⁶ = 449473951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449474015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449474017) 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, 44947397 + ... + 44947406.

It is an arithmetic number, because the mean of its divisors is an integer number (134842206).

Almost surely, 2^449474015 is an apocalyptic number.

449474015 is a deficient number, since it is larger than the sum of its proper divisors (89894809).

449474015 is an equidigital number, since it uses as much as digits as its factorization.

449474015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89894808.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 449474015 is about 21200.8022253876. The cubic root of 449474015 is about 766.0107476444.

The spelling of 449474015 in words is "four hundred forty-nine million, four hundred seventy-four thousand, fifteen".