449420355 has 12 divisors (see below), whose sum is σ = 778995360. Its totient is φ = 239690832.

The previous prime is 449420353. The next prime is 449420369. The reversal of 449420355 is 553024944.

It is a happy number.

449420355 is a `hidden beast` number, since 449 + 4 + 203 + 5 + 5 = 666.

It is not a de Polignac number, because 449420355 - 2¹ = 449420353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449420351) 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, 4993515 + ... + 4993604.

It is an arithmetic number, because the mean of its divisors is an integer number (64916280).

Almost surely, 2^449420355 is an apocalyptic number.

449420355 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

449420355 is a deficient number, since it is larger than the sum of its proper divisors (329575005).

449420355 is a wasteful number, since it uses less digits than its factorization.

449420355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9987130 (or 9987127 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 449420355 is about 21199.5366694652. The cubic root of 449420355 is about 765.9802632922.

The spelling of 449420355 in words is "four hundred forty-nine million, four hundred twenty thousand, three hundred fifty-five".