449011745 has 24 divisors (see below), whose sum is σ = 675002664. Its totient is φ = 284207616.

The previous prime is 449011733. The next prime is 449011751. The reversal of 449011745 is 547110944.

It can be written as a sum of positive squares in 4 ways, for example, as 9186961 + 439824784 = 3031^2 + 20972^2 .

It is not a de Polignac number, because 449011745 - 2¹² = 449007649 is a prime.

It is a super-2 number, since 2×449011745² = 403223094295890050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 67304 + ... + 73673.

It is an arithmetic number, because the mean of its divisors is an integer number (28125111).

Almost surely, 2^449011745 is an apocalyptic number.

It is an amenable number.

449011745 is a deficient number, since it is larger than the sum of its proper divisors (225990919).

449011745 is a wasteful number, since it uses less digits than its factorization.

449011745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141009 (or 141002 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 449011745 is about 21189.8972390146. The cubic root of 449011745 is about 765.7480515146.

The spelling of 449011745 in words is "four hundred forty-nine million, eleven thousand, seven hundred forty-five".