449689750450 has 24 divisors (see below), whose sum is σ = 837536751360. Its totient is φ = 179636370000.

The previous prime is 449689750441. The next prime is 449689750453. The reversal of 449689750450 is 54057986944.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (449689750453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5950330 + ... + 6025429.

It is an arithmetic number, because the mean of its divisors is an integer number (34897364640).

Almost surely, 2^449689750450 is an apocalyptic number.

449689750450 is a deficient number, since it is larger than the sum of its proper divisors (387847000910).

449689750450 is a wasteful number, since it uses less digits than its factorization.

449689750450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11976522 (or 11976517 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 449689750450 in words is "four hundred forty-nine billion, six hundred eighty-nine million, seven hundred fifty thousand, four hundred fifty".