449773740 has 288 divisors, whose sum is σ = 1569649536. Its totient is φ = 103403520.

The previous prime is 449773661. The next prime is 449773769. The reversal of 449773740 is 47377944.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3282952 + ... + 3283088.

It is an arithmetic number, because the mean of its divisors is an integer number (5450172).

Almost surely, 2^449773740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449773740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784824768).

449773740 is an abundant number, since it is smaller than the sum of its proper divisors (1119875796).

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

449773740 is a wasteful number, since it uses less digits than its factorization.

449773740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 449773740 is about 21207.8697657261. The cubic root of 449773740 is about 766.1809774012.

The spelling of 449773740 in words is "four hundred forty-nine million, seven hundred seventy-three thousand, seven hundred forty".