449377428 has 24 divisors (see below), whose sum is σ = 1050926688. Its totient is φ = 149452576.

The previous prime is 449377421. The next prime is 449377433. The reversal of 449377428 is 824773944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449377421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36951 + ... + 47582.

It is an arithmetic number, because the mean of its divisors is an integer number (43788612).

Almost surely, 2^449377428 is an apocalyptic number.

It is an amenable number.

449377428 is an abundant number, since it is smaller than the sum of its proper divisors (601549260).

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

449377428 is a wasteful number, since it uses less digits than its factorization.

449377428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84983 (or 84981 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 449377428 is about 21198.5241939150. The cubic root of 449377428 is about 765.9558746315.

The spelling of 449377428 in words is "four hundred forty-nine million, three hundred seventy-seven thousand, four hundred twenty-eight".