449121492228 has 48 divisors (see below), whose sum is σ = 1063466772480. Its totient is φ = 147500336544.

The previous prime is 449121492221. The next prime is 449121492271. The reversal of 449121492228 is 822294121944.

It is a super-2 number, since 2×449121492228² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449121492221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248808 + ... + 979871.

It is an arithmetic number, because the mean of its divisors is an integer number (22155557760).

Almost surely, 2^449121492228 is an apocalyptic number.

It is an amenable number.

449121492228 is an abundant number, since it is smaller than the sum of its proper divisors (614345280252).

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

449121492228 is a wasteful number, since it uses less digits than its factorization.

449121492228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229136 (or 1229134 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The spelling of 449121492228 in words is "four hundred forty-nine billion, one hundred twenty-one million, four hundred ninety-two thousand, two hundred twenty-eight".