449660061248 has 28 divisors (see below), whose sum is σ = 892452746460. Its totient is φ = 224790077952.

The previous prime is 449660061223. The next prime is 449660061251. The reversal of 449660061248 is 842160066944.

It can be written as a sum of positive squares in 2 ways, for example, as 336177316864 + 113482744384 = 579808^2 + 336872^2 .

It is a super-2 number, since 2×449660061248² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 449660061196 and 449660061205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259643 + ... + 983226.

Almost surely, 2^449660061248 is an apocalyptic number.

It is an amenable number.

449660061248 is a deficient number, since it is larger than the sum of its proper divisors (442792685212).

449660061248 is a wasteful number, since it uses less digits than its factorization.

449660061248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248534 (or 1248524 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 449660061248 in words is "four hundred forty-nine billion, six hundred sixty million, sixty-one thousand, two hundred forty-eight".