449993052 has 36 divisors (see below), whose sum is σ = 1138527936. Its totient is φ = 149859840.

The previous prime is 449993041. The next prime is 449993057. The reversal of 449993052 is 250399944.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 449992989 and 449993007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449993057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38677 + ... + 48947.

It is an arithmetic number, because the mean of its divisors is an integer number (31625776).

Almost surely, 2^449993052 is an apocalyptic number.

It is an amenable number.

449993052 is an abundant number, since it is smaller than the sum of its proper divisors (688534884).

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

449993052 is a wasteful number, since it uses less digits than its factorization.

449993052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11498 (or 11493 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 449993052 is about 21213.0396690338. The cubic root of 449993052 is about 766.3054884340.

The spelling of 449993052 in words is "four hundred forty-nine million, nine hundred ninety-three thousand, fifty-two".