449212308242 has 64 divisors (see below), whose sum is σ = 748559314944. Its totient is φ = 201267855360.

The previous prime is 449212308241. The next prime is 449212308301. The reversal of 449212308242 is 242803212944.

It is a happy number.

It is a super-2 number, since 2×449212308242² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 449212308242.

It is not an unprimeable number, because it can be changed into a prime (449212308241) 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 31 ways as a sum of consecutive naturals, for example, 23118143 + ... + 23137565.

It is an arithmetic number, because the mean of its divisors is an integer number (11696239296).

Almost surely, 2^449212308242 is an apocalyptic number.

449212308242 is a deficient number, since it is larger than the sum of its proper divisors (299347006702).

449212308242 is a wasteful number, since it uses less digits than its factorization.

449212308242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19883.

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 449212308242 in words is "four hundred forty-nine billion, two hundred twelve million, three hundred eight thousand, two hundred forty-two".