449253750 has 80 divisors (see below), whose sum is σ = 1224957888. Its totient is φ = 108900000.

The previous prime is 449253719. The next prime is 449253751. The reversal of 449253750 is 57352944.

It is a junction number, because it is equal to n+sod(n) for n = 449253699 and 449253708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449253751) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35805 + ... + 46695.

Almost surely, 2^449253750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449253750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612478944).

449253750 is an abundant number, since it is smaller than the sum of its proper divisors (775704138).

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

449253750 is a wasteful number, since it uses less digits than its factorization.

449253750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10927 (or 10912 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 449253750 is about 21195.6068561388. The cubic root of 449253750 is about 765.8855991964.

The spelling of 449253750 in words is "four hundred forty-nine million, two hundred fifty-three thousand, seven hundred fifty".