449619751226 has 4 divisors (see below), whose sum is σ = 674429626842. Its totient is φ = 224809875612.

The previous prime is 449619751223. The next prime is 449619751241. The reversal of 449619751226 is 622157916944.

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., 348400965025 + 101218786201 = 590255^2 + 318149^2 .

It is not an unprimeable number, because it can be changed into a prime (449619751223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112404937805 + ... + 112404937808.

Almost surely, 2^449619751226 is an apocalyptic number.

449619751226 is a deficient number, since it is larger than the sum of its proper divisors (224809875616).

449619751226 is a wasteful number, since it uses less digits than its factorization.

449619751226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224809875615.

The product of its digits is 6531840, while the sum is 56.

The spelling of 449619751226 in words is "four hundred forty-nine billion, six hundred nineteen million, seven hundred fifty-one thousand, two hundred twenty-six".