449255400 has 192 divisors, whose sum is σ = 1555614720. Its totient is φ = 106310400.

The previous prime is 449255363. The next prime is 449255419. The reversal of 449255400 is 4552944.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283009 + ... + 284591.

It is an arithmetic number, because the mean of its divisors is an integer number (8102160).

Almost surely, 2^449255400 is an apocalyptic number.

449255400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449255400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777807360).

449255400 is an abundant number, since it is smaller than the sum of its proper divisors (1106359320).

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

449255400 is a wasteful number, since it uses less digits than its factorization.

449255400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 449255400 is about 21195.6457792632. The cubic root of 449255400 is about 765.8865368326.

The spelling of 449255400 in words is "four hundred forty-nine million, two hundred fifty-five thousand, four hundred".