449226408642 has 16 divisors (see below), whose sum is σ = 980130346272. Its totient is φ = 136129214720.

The previous prime is 449226408641. The next prime is 449226408649. The reversal of 449226408642 is 246804622944.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (449226408641) 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 7 ways as a sum of consecutive naturals, for example, 3403230303 + ... + 3403230434.

It is an arithmetic number, because the mean of its divisors is an integer number (61258146642).

Almost surely, 2^449226408642 is an apocalyptic number.

449226408642 is an abundant number, since it is smaller than the sum of its proper divisors (530903937630).

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

449226408642 is a wasteful number, since it uses less digits than its factorization.

449226408642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806460753.

The product of its (nonzero) digits is 5308416, while the sum is 51.

The spelling of 449226408642 in words is "four hundred forty-nine billion, two hundred twenty-six million, four hundred eight thousand, six hundred forty-two".