448136013450 has 24 divisors (see below), whose sum is σ = 1111377313728. Its totient is φ = 119502936880.

The previous prime is 448136013407. The next prime is 448136013497. The reversal of 448136013450 is 54310631844.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 448136013399 and 448136013408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1493786562 + ... + 1493786861.

It is an arithmetic number, because the mean of its divisors is an integer number (46307388072).

Almost surely, 2^448136013450 is an apocalyptic number.

448136013450 is an abundant number, since it is smaller than the sum of its proper divisors (663241300278).

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

448136013450 is a wasteful number, since it uses less digits than its factorization.

448136013450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987573438 (or 2987573433 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 448136013450 in words is "four hundred forty-eight billion, one hundred thirty-six million, thirteen thousand, four hundred fifty".