449398125 has 120 divisors (see below), whose sum is σ = 921080160. Its totient is φ = 217080000.

The previous prime is 449398109. The next prime is 449398133. The reversal of 449398125 is 521893944.

It is not a de Polignac number, because 449398125 - 2⁴ = 449398109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (311040) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1670491 + ... + 1670759.

It is an arithmetic number, because the mean of its divisors is an integer number (7675668).

Almost surely, 2^449398125 is an apocalyptic number.

449398125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

449398125 is an abundant number, since it is smaller than the sum of its proper divisors (471682035).

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

449398125 is an equidigital number, since it uses as much as digits as its factorization.

449398125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 288 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 449398125 is about 21199.0123590699. The cubic root of 449398125 is about 765.9676336744.

The spelling of 449398125 in words is "four hundred forty-nine million, three hundred ninety-eight thousand, one hundred twenty-five".