449999268122 has 4 divisors (see below), whose sum is σ = 674998902186. Its totient is φ = 224999634060.

The previous prime is 449999268119. The next prime is 449999268157. The reversal of 449999268122 is 221862999944.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 255862977241 + 194136290881 = 505829^2 + 440609^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112499817029 + ... + 112499817032.

Almost surely, 2^449999268122 is an apocalyptic number.

449999268122 is a deficient number, since it is larger than the sum of its proper divisors (224999634064).

449999268122 is a wasteful number, since it uses less digits than its factorization.

449999268122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224999634063.

The product of its digits is 40310784, while the sum is 65.

The spelling of 449999268122 in words is "four hundred forty-nine billion, nine hundred ninety-nine million, two hundred sixty-eight thousand, one hundred twenty-two".