449473536 has 110 divisors (see below), whose sum is σ = 1342463540. Its totient is φ = 149796864.

The previous prime is 449473517. The next prime is 449473537. The reversal of 449473536 is 635374944.

449473536 is a `hidden beast` number, since 4 + 49 + 4 + 73 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 449473491 and 449473500.

It is not an unprimeable number, because it can be changed into a prime (449473537) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 80235 + ... + 85653.

It is an arithmetic number, because the mean of its divisors is an integer number (12204214).

Almost surely, 2^449473536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449473536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671231770).

449473536 is an abundant number, since it is smaller than the sum of its proper divisors (892990004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449473536 is an equidigital number, since it uses as much as digits as its factorization.

449473536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451 (or 5424 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 449473536 is about 21200.7909286423. The cubic root of 449473536 is about 766.0104755343.

The spelling of 449473536 in words is "four hundred forty-nine million, four hundred seventy-three thousand, five hundred thirty-six".