449992845 has 24 divisors (see below), whose sum is σ = 782369952. Its totient is φ = 239263200.

The previous prime is 449992831. The next prime is 449992847. The reversal of 449992845 is 548299944.

It is not a de Polignac number, because 449992845 - 2¹³ = 449984653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449992791 and 449992800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449992847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211 + ... + 30000.

It is an arithmetic number, because the mean of its divisors is an integer number (32598748).

Almost surely, 2^449992845 is an apocalyptic number.

449992845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

449992845 is a deficient number, since it is larger than the sum of its proper divisors (332377107).

449992845 is a wasteful number, since it uses less digits than its factorization.

449992845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30553 (or 30550 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 449992845 is about 21213.0347899587. The cubic root of 449992845 is about 766.3053709320.

It can be divided in two parts, 4499 and 92845, that added together give a square (97344 = 312²).

The spelling of 449992845 in words is "four hundred forty-nine million, nine hundred ninety-two thousand, eight hundred forty-five".