449439220232 has 36 divisors (see below), whose sum is σ = 846207980685. Its totient is φ = 223787635680.

The previous prime is 449439220207. The next prime is 449439220283. The reversal of 449439220232 is 232022934944.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 255605069476 + 193834150756 = 505574^2 + 440266^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=474046.

It is a super-2 number, since 2×449439220232² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 798293183 + ... + 798293745.

Almost surely, 2^449439220232 is an apocalyptic number.

It is an amenable number.

449439220232 is a deficient number, since it is larger than the sum of its proper divisors (396768760453).

449439220232 is an frugal number, since it uses more digits than its factorization.

449439220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 449439220232 in words is "four hundred forty-nine billion, four hundred thirty-nine million, two hundred twenty thousand, two hundred thirty-two".