449741721242 has 16 divisors (see below), whose sum is σ = 748414576800. Its totient is φ = 200963172240.

The previous prime is 449741721211. The next prime is 449741721251. The reversal of 449741721242 is 242127147944.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 173242817 + ... + 173245412.

It is an arithmetic number, because the mean of its divisors is an integer number (46775911050).

Almost surely, 2^449741721242 is an apocalyptic number.

449741721242 is a deficient number, since it is larger than the sum of its proper divisors (298672855558).

449741721242 is a wasteful number, since it uses less digits than its factorization.

449741721242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346488301.

The product of its digits is 903168, while the sum is 47.

The spelling of 449741721242 in words is "four hundred forty-nine billion, seven hundred forty-one million, seven hundred twenty-one thousand, two hundred forty-two".